Since 2006 Baldrson (Slashdot reader #78,598) has been part of the team verifying "The Hutter Prize for Lossless Compression of Human Knowledge," an ongoing challenge to compress a 100-MB excerpt of Wikipedia (approximately the amount a human can read in a lifetime).

"The intention of this prize is to encourage development of intelligent compressors/programs as a path to Artificial General Intelligence," explains the project's web site. 15 years ago, Baldrson wrote a Slashdot post explaining the logic (titled "Compress Wikipedia and Win AI Prize"): The basic theory, for which Hutter provides a proof, is that after any set of observations the optimal move by an AI is find the smallest program that predicts those observations and then assume its environment is controlled by that program. Think of it as Ockham's Razor on steroids.
The amount of the prize also increases based on how much compression is achieved. (So if you compress the 1GB file x% better than the current record, you'll receive x% of the prize...) The first prize was awarded in 2006. And now Baldrson writes with the official news that this Spring another prize was claimed after reaching a brand new milestone: Artemiy Margaritov's STARLIT algorithm's 1.13% cleared the 1% improvement hurdle to beat the last benchmark, set by Alexander Rhatushnyak. He receives a bonus in proportion to the time since the last benchmark was set, raising his award by 60% to €9000. [$10,632 USD]

Congratulations to Artemiy Margaritov for his winning submission!

"Well before China decided to kick out all of its bitcoin miners, they were already leaving in droves, and new data from Cambridge University shows they were likely headed to the United States," reports CNBC: The U.S. has fast become the new darling of the bitcoin mining world. It is the second-biggest mining destination on the planet, accounting for nearly 17% of all the world's bitcoin miners as of April 2021. That's a 151% increase from September 2020. "For the last 18 months, we've had a serious growth of mining infrastructure in the U.S.," said Darin Feinstein, founder of Blockcap and Core Scientific. "We've noticed a massive uptick in mining operations looking to relocate to North America, mostly in the U.S."

This dataset doesn't include the mass mining exodus out of China, which led to half the world's miners dropping offline, and experts tell CNBC that the U.S. share of the mining market is likely even bigger than the numbers indicate... "500,000 formerly Chinese miner rigs are looking for homes in the U.S," said Marathon Digital's Fred Thiel. "If they are deployed, it would mean North America would have closer to 40% of global hashrate by the end of 2022."

America's rising dominance is a simple case of luck meeting preparation. The U.S. has quietly been building up its hosting capacity for years... It also helps that the U.S. is also home to some of the cheapest sources of energy on the planet, many of which tend to be renewable. Because miners at scale compete in a low-margin industry, where their only variable cost is typically energy, they are incentivized to migrate to the world's cheapest sources of power.

Thiel expects most new miners relocating to North America to be powered by renewables, or gas that is offset by renewable energy credits. While Castle Island Ventures founding partner, Nic Carter, points out that U.S. mining isn't wholly renewable, he does say that miners here are much better about selecting renewables and buying offsets. "The migration is definitely a net positive overall," he said. "Hashrate moving to the U.S., Canada, and Russia will mean much lower carbon intensity."

Seven years ago two Google engineers concluded, after four years of study that "Renewable energy technologies simply won't work; we need a fundamentally different approach." (The authors proposed a R&D portfolio pursuing "disruptive" solutions in hydro, wind, solar photovoltaics, and nuclear power, with one Slashdot reader asking "is nuclear going to be acknowledged as the future of energy production?")

But the two engineers — still at Google — recently announced "we're happy to say that we got a few things wrong. In particular, renewable energy systems have come down in price faster than we expected, and adoption has surged beyond the predictions we cited in 2014."

One of them told IEEE Spectrum "It's stunning how rapidly things have been moving since the first article was published," Experts now have a better understanding of how a variety of technologies could be combined to prevent catastrophic climate change, the coauthors say. Many renewable-energy systems, for example, are already mature and just need to be scaled up. Some innovations need significant development, including new processes to produce steel and concrete, and geoengineering techniques to sequester carbon and temporarily reduce solar radiation. The one commonality among all these promising technologies, they conclude, is that engineers can make a difference on a planetary scale...

Concerned about the pessimistic tone of most climate coverage, the authors argue that wise policies, market pressure, and human creativity can get the job done. "When you put the right incentives in place, you capture the ingenuity of the masses," says Fork. "All of us are smarter than any of us."
The Google engineers acknowledge we've already seen a plunge in battery prices to lows not predicted until 2050. (Along with cheap natural gas prices, this cut America's coal consumption in half, lowering emissions.) And fossil fuel consumption has been reduced thanks to cheaper electric heat pumps and electric cars. Other suggestions from their article include:

• Cleaner air travel (including clean hydrogen-powered planes)
• New forms of nuclear power
• Climate policy (including carbon pricing strategies like carbon taxes)

"So, engineers, let's get to work."

America detonated the world's first nuclear device in Alamogordo, New Mexico on July 16, 1945.

On its 76th anniversary, U.S. president Biden issued a proclamation: Many brave men and women have risked their lives in service to our Nation, but few know the story of our "Atomic Veterans" — American military service members who participated in nuclear tests between 1945 and 1962, served with United States military forces in or around Hiroshima and Nagasaki through mid-1946, or were held as prisoners of war in or near Hiroshima or Nagasaki. These veterans served at testing sites like the Bikini Atoll and witnessed the destructive power of nuclear weapons firsthand.

On National Atomic Veterans Day, we recognize and honor the contributions of America's Atomic Veterans for their sacrifice and dedication to our Nation's security, and recommit to supporting our Atomic Veterans and educating ourselves on the role these patriots played in our national story.

Atomic Veterans served our Nation with distinction, but their service came at a great cost. Many developed health conditions due to radiation exposure, yet because they were not able to discuss the nature of their service, they were unable to seek medical care or disability compensation from the Department of Veterans Affairs for their illnesses. Decades later in 1996, the United States Congress repealed the Nuclear Radiation and Secrecy Agreements Act, allowing Atomic Veterans to tell their stories and file for benefits. By then, thousands of Atomic Veterans had died without their families knowing the true extent of their service.

Our Nation has one truly sacred obligation: to properly prepare and equip our troops when we send them into harm's way, and to care for them and their families when they return from service. As Commander in Chief, I am committed to fulfilling our obligation to the Atomic Veterans and their families, and ensuring that all of our Nation's veterans have timely access to needed services, medical care, and benefits. On this National Atomic Veterans Day, our country remembers the service and sacrifices of Atomic Veterans. Their heroism and patriotism will never be forgotten and we always honor their bravery and devotion to duty.
July 16, 2021 was named "National Atomic Veterans Day."

The proclamation ended with a call on all Americans "to observe this day with appropriate ceremonies and activities that honor our Nation's Atomic Veterans whose brave service and sacrifice played an important role in the defense of our Nation."

Matt Stoller: Louis Rossmann is an important YouTube personality who talks about, among other things, the fact that big firms block their customers from repairing equipment so they can extract after-market profits with replacement parts. And he's very much noticed the Biden executive order, which calls for agencies to curtail this practice (as well as the FTC report on it). Rossmann did a series of videos on this order, one of which focused on the order calling for the Pentagon to stop contracting with firms that block soldiers from being able to repair equipment. He cited Elle Ekman's New York Times piece from 2019 on the problem. What's even more interesting than the video are the comments on it, from soldiers angry that they keep encountering this problem in the field. I pulled some of them and published them here.

Pepper, SoftBank's robot, malfunctioned during scripture readings, took breaks in exercise class and couldn't recognize the faces of family members. From a report: Having a robot read scripture to mourners seemed like a cost-effective idea to the people at Nissei Eco, a plastics manufacturer with a sideline in the funeral business. The company hired child-sized robot Pepper, clothed it in the vestments of Buddhist clergy and programmed it to chant several sutras, or Buddhist scriptures, depending on the sect of the deceased. Alas, the robot, made by SoftBank Group, kept breaking down during practice runs. "What if it refused to operate in the middle of a ceremony?" said funeral-business manager Osamu Funaki. "It would be such a disaster." Pepper was fired. The company ended its lease of the robot and sent it back to the manufacturer. After a rash of similar mishaps across Japan, in which Pepper botched its job at a nursing home and gave baseball fans a creepy feeling, some people are saying the humanoid itself will need a funeral soon.

"Because it has the shape of a person, people expect the intelligence of a human," said Takayuki Furuta, head of the Future Robotics Technology Center at Chiba Institute of Technology, which wasn't involved in Pepper's development. "The level of the technology completely falls short of that. It's like the difference between a toy car and an actual car." The robotics unit of SoftBank, a Tokyo-based technology investor, said in late June that it halted production of Pepper last year and was planning to restructure its global robotics teams, including a French unit involved in Pepper's development. Still, the company says the machine shouldn't be sent to the product graveyard. Spokeswoman Ai Kitamura said Pepper is SoftBank's icon and still doing good work as a teacher and a temperature taker at hospitals. She declined to comment on any of its individual mishaps.

SoftBank introduced the humanoid to the world in 2014 and started selling it the next year. "Today might become a day that people 100, 200 or 300 years later would remember as a historic day," SoftBank Chief Executive Masayoshi Son said at the introduction. SoftBank sold the robots to individuals for about $2,000, plus monthly fees for subscription services, and rented them to businesses starting at $550 a month. Japan has had a love affair with humanlike robots going back to Astro Boy, a robot featured in a 1960s animated television series, but there have also been breakups. Honda Motor's Asimo once kicked a soccer ball to then-President Barack Obama. Toshiba's Aiko Chihira, an android with a woman's name and appearance, briefly worked as a department store receptionist. After a while, both disappeared. More recently, a Japanese hotel chain created a robot-operated hotel, with dinosaur-shaped robots handling front-desk duties, only to reverse course after the plan failed to save money and created more work for humans.

The PC market is showing early signs of its growth slowing down, after an impressive run of shipments throughout 2020. From a report: Both IDC and Gartner conclude that growth in the second quarter of PC shipments has slowed this year. Demand for new PCs is still above what we saw before the pandemic hit, but a mixture of softer demand and the effects of the global chip shortage mean it's not growing as quickly. "The market faces mixed signals as far as demand is concerned," says Neha Mahajan, a senior research analyst at IDC. "With businesses opening back up, demand potential in the commercial segment appears promising. However, there are also early indicators of consumer demand slowing down as people shift spending priorities after nearly a year of aggressive PC buying." IDC says more than 83 million PCs were shipped in the second quarter of 2021, while Gartner's own figure is more than 71 million. Gartner does not include Chromebook shipments in its results, but the research firm says "Chromebook shipments were once again strong in the second quarter of 2021." Either way, both firms agree that year-over-year growth in this latest quarter wasn't as strong as 2020's sudden growth.

The official autopsy of the great Texas winter blackout of February 2021 quickly established a clear timeline of events: Electric utilities cut off power to customers and distributors as well as natural gas producers, which in turn triggered a negative feedback loop that sunk the state deeper and deeper into frigid darkness. It's now becoming clear that while millions of Texans endured days of power cuts, the state's gas producers contributed to fuel shortages, allowing pipelines and traders to profit handsomely off them. From a report: Interviews with energy executives and an analysis of public records by Bloomberg News show that natural gas producers in the Permian shale basin began to drastically reduce output days before power companies cut them off. As the flow of gas cratered, everyone scrambled to secure enough supply, sparking one of the wildest price surges in history. Power producers were forced to pay top dollar in the spot market for whatever gas they could find. Soon customers will be saddled with the bill.

And it's a big one: The total comes to about $11.1 billion for a storm that lasted for just five days, according to estimates by BloombergNEF analysts Jade Patterson and Nakul Nair. The cost of gas for power generation alone was about $8.1 billion, or 75 times normal levels. A further $3 billion was spent by utilities providing gas for cooking, heating and fireplaces. The BNEF estimate is based on spot prices at major hubs assessed by S&P Global Platts rather than private contracts, so is likely an upper limit of the total cost. Millions of Texans are now faced with the prospect of paying higher gas prices for years as utilities seek to spread the cost over a decade or more. Texas lawmakers have set aside $10 billion to help natural gas utilities cover their natural gas costs from the storm through low-interest, state-backed bonds.

A special legislative session convened Thursday but the agenda did not include any measures to fix the power grid. This week, Governor Greg Abbott appeared to double down on his early assessment that wind and solar were prime culprits of the freeze. Even though gas failed in its role as a reliable backup fuel during the freeze, Abbott pushed regulators in a letter to strengthen incentives for fossil fuel and nuclear generators while increasing "reliability costs" for intermittent renewable power sources. What Abbott didn't mention was the massive windfall key industry players made during the freeze. Energy Transfer posted its highest quarterly net income on record, more than three times its previous best quarter.

Backblaze CEO Gleb Budman, writing on the company blog: Over the last 14 years, we have worked diligently to keep our costs low and pass our savings on to customers. We've invested in deduplication, compression, and other technologies to continually optimize our storage platform and drive our costs down -- savings which we pass on to our customers in the form of storing more data for the same price.

However, the average backup size stored by Computer Backup customers has spiked 15% over just the last two years. Additionally, not only have component prices not fallen at traditional rates, but recently electronic components that we rely on to provide our services have actually increased in price.

The combination of these two trends, along with our desire to continue investing in providing a great service, is driving the need to modestly increase our prices. The new monthly plan now costs $7, while the yearly plan will set you back by $70.

Drought is putting pressure on California's already stressed-out grid. From a report: As water reservoirs run dry, there's been a significant drop in hydroelectric generation. Without enough water pressure to quickly turn turbine blades, there could be electricity shortages right when residents need it the most. Rolling blackouts have already become a new norm for the state as utilities shut down power lines in an attempt to avoid sparking fires during hot, dry weather. But summertime outages also occur when residents crank up their air conditioners to beat the heat and demand outpaces the available power supply.

"California relies on hydro for so much of its demand, so any drought can put the state in a tight position," said Lindsay Aramayo, an industry economist with the US Energy Information Administration. Hydropower is a significant source of energy for the state. In 2019, it made up about 17 percent of California's electricity mix. And while California is no stranger to drought, this is particularly bad. More than a third of the state is experiencing "exceptional drought," and more than 40 percent of its residents are living under a drought state of emergency.

Robots have a hard time improvising, and encountering an unusual surface or obstacle usually means an abrupt stop or hard fall. But researchers have created a new model for robotic locomotion that adapts in real time to any terrain it encounters, changing its gait on the fly to keep trucking when it hits sand, rocks, stairs and other sudden changes. From a report: Although robotic movement can be versatile and exact, and robots can "learn" to climb steps, cross broken terrain and so on, these behaviors are more like individual trained skills that the robot switches between. Although robots like Spot famously can spring back from being pushed or kicked, the system is really just working to correct a physical anomaly while pursuing an unchanged policy of walking. There are some adaptive movement models, but some are very specific (for instance this one based on real insect movements) and others take long enough to work that the robot will certainly have fallen by the time they take effect.

The team, from Facebook AI, UC Berkeley and Carnegie Mellon University, call it Rapid Motor Adaptation. It came from the fact that humans and other animals are able to quickly, effectively and unconsciously change the way they walk to fit different circumstances. "Say you learn to walk and for the first time you go to the beach. Your foot sinks in, and to pull it out you have to apply more force. It feels weird, but in a few steps you'll be walking naturally just as you do on hard ground. What's the secret there?" asked senior researcher Jitendra Malik, who is affiliated with Facebook AI and UC Berkeley. Certainly if you've never encountered a beach before, but even later in life when you have, you aren't entering some special "sand mode" that lets you walk on soft surfaces. The way you change your movement happens automatically and without any real understanding of the external environment.

The New York Times reports on "an intense policy struggle" in America's national and state governments:

-On one side, large electric utilities and President Biden want to build thousands of miles of power lines to move electricity created by distant wind turbines and solar farms to cities and suburbs.

- On the other, some environmental organizations and community groups are pushing for greater investment in rooftop solar panels, batteries and local wind turbines.

And the result "could lock in an energy system that lasts for decades." At issue is how quickly the country can move to cleaner energy and how much electricity rates will increase... The option supported by Mr. Biden and some large energy companies would replace coal and natural gas power plants with large wind and solar farms hundreds of miles from cities, requiring lots of new power lines. Such integration would strengthen the control that the utility industry and Wall Street have over the grid. "You've got to have a big national plan to make sure the power gets from where it is generated to where the need is," Energy Secretary Jennifer Granholm said in an interview.

But many of Mr. Biden's liberal allies argue that solar panels, batteries and other local energy sources should be emphasized because they would be more resilient and could be built more quickly... In all probability, there will be a mix of solutions that include more transmission lines and rooftop solar panels. What combination emerges will depend on deals made in Congress but also skirmishes playing out across the country...

As millions of California homes went dark during a heat wave last summer, help came from an unusual source: batteries installed at homes, businesses and municipal buildings. Those batteries kicked in up to 6 percent of the state grid's power supply during the crisis, helping to make up for idled natural gas and nuclear power plants. Rooftop solar panels generated an additional 4 percent of the state's electricity... California showed that homes and businesses don't have to be passive consumers. They can become mini power plants, potentially earning as much from supplying energy as they pay for electricity they draw from the grid. Home and business batteries, which can be as small as a large television and as big as a computer server room, are charged from the grid or rooftop solar panels...

Regulators generally allow utilities to charge customers the cost of investments plus a profit margin, typically about 10.5 percent, giving companies an incentive to build power plants and lines... A 2019 report by the National Renewable Energy Laboratory, a research arm of the Energy Department, found that greater use of rooftop solar can reduce the need for new transmission lines, displace expensive power plants and save the energy that is lost when electricity is moved long distances. The study also found that rooftop systems can put pressure on utilities to improve or expand neighborhood wires and equipment.
The director of a Chicago-based environmental nonprofit tells the Times that "Solar energy plus storage is as transformative to the electric sector as wireless services were to the telecommunications sector."

In a weird twist, fossil fuel companies are now joining forces with local groups (including environmental groups) to fight the construction of new power lines.

Business Insider reports: A huge underground cryptocurrency mining operation has been busted by Ukraine police for allegedly stealing electricity from the grid. Police said they'd seized 5,000 computers and 3,800 games consoles that were being used in the illegal mine, the largest discovered in the country.

The mine, in the city of Vinnytsia, near Kyiv, stole as much as $259,300 in electricity each month, the Security Service of Ukraine said. To conceal the theft, the operators of the mine used electricity meters that did not reflect their actual energy consumption, officials said.

"Such illegal activity could lead to power surges and left people without electricity," the security service said.

North America's largest crypto mine is six miles outside Rockdale, Texas, "a four-square-mile town that hosts a Walmart, one other grocery store, a handful of Mexican restaurants and a couple of pizza places," reports the Washington Post.

The miners took over an old Alcoa aluminum facility, creating a "fenced-off crypto compound" with more than 100,000 servers, stacked 20 feet high. "When the expansion is completed by the end of 2022, that number will have more than doubled," the Post reports, citing the company's CEO Chad Harris.

Texas has some of Ameria's cheapest energy prices. But what's really interesting is what happened last month when 94-degree temperatures strained the state's energy grid: Thanks to the way Texas power companies deal with large electricity customers like Whinstone, Harris's bitcoin mine...didn't suffer. Instead, the state's electricity operator, the Electric Reliability Council of Texas (ERCOT), began to pay Whinstone — for having agreed to quit buying power amid heightened demand. That sort of arrangement has helped make the state one of the go-to locations for expanding crypto entrepreneurs the world over, despite its continued agonizing over power shortages. Indeed, Whinstone's new owners are undertaking a major expansion of its facility outside Rockdale, with the intention of doubling its capacity. When fully developed, the crypto mine here is expected to require 750 megawatts of power — enough to power more than 150,000 Texas homes during peak demand.

And it's not just Whinstone. More crypto farms want to move into the area as China, believed to be the nation with the most crypto miners, moves to restrict local bitcoin mining and trading by, among other limitations, ordering power companies not to sell them power. Shenzhen-based BIT Mining said in May that it plans to invest more than $25 million in a Texas data center, while Beijing-based server firm Bitmain is already modernizing the old aluminum plant across the street from Whinstone's Rockdale-area facility.

Rockdale's mayor, a bitcoin miner himself with a rack of computers in his home, says he's met with at least one other firm interested in locating here. Whinstone, which leases shelving on its campus to other crypto miners' servers, has been contacted by "several," the company's CEO said. It's not just happening near Rockdale. Peter Thiel-backed crypto mining firm Layer1 Technologies last year opened a plant near Pyote in West Texas (population 138 in the 2020 census). In February, Canada's Argo Blockchain announced plans to buy 320 acres of land in the same West Texas area within a year... "One good thing about crypto mining is it's adding flexibility to the system," said Peter Cramton, a former board member of ERCOT, the nonprofit that's charged with managing the state's wholesale energy market. "But the problem is it's consuming real resources, doing a function that has no value...."

Bitcoin mines of Whinstone's size may be capable of creating roughly 500 bitcoin per month, the company says. At today's bitcoin value of approximately $34,000, that's $17 million, helping to explain why Riot Blockchain, a publicly traded company, paid $80 million in May to acquire Whinstone.

Long-time Slashdot reader schwit1 shares new from SciTechDaily: For the first time, University of Basel researchers have equipped an ultrathin semiconductor with superconducting contacts. These extremely thin materials with novel electronic and optical properties could pave the way for previously unimagined applications. Combined with superconductors, they are expected to give rise to new quantum phenomena and find use in quantum technology....

With a view to future applications in electronics and quantum technology, researchers are focusing on the development of new components that consist of a single layer (monolayer) of a semiconducting material. Some naturally occurring materials with semiconducting properties feature monolayers of this kind, stacked to form a three-dimensional crystal. In the laboratory, researchers can separate these layers — which are no thicker than a single molecule — and use them to build electronic components. These ultrathin semiconductors promise to deliver unique characteristics that are otherwise very difficult to control, such as the use of electric fields to influence the magnetic moments of the electrons. In addition, complex quantum mechanical phenomena take place in these semiconducting monolayers that may have applications in quantum technology...

A team of physicists, led by Dr. Andreas Baumgartner in the research group of Professor Christian Schönenberger at the Swiss Nanoscience Institute and the Department of Physics of the University of Basel, has now fitted a monolayer of the semiconductor molybdenum disulfide with superconducting contacts for the first time...

"In a superconductor, the electrons arrange themselves into pairs, like partners in a dance — with weird and wonderful consequences, such as the flow of the electrical current without a resistance," explains Baumgartner, the project manager of the study. "In the semiconductor molybdenum disulfide, on the other hand, the electrons perform a completely different dance, a strange solo routine that also incorporates their magnetic moments. Now we would like to find out which new and exotic dances the electrons agree upon if we combine these materials."
Mehdi Ramezani, lead author of the study, says that "In principle, the vertical contacts we've developed for the semiconductor layers can be applied to a large number of semiconductors."

"We're building a chip. A fast chip. A safe chip. A trusted chip," explains the web page at Libre-SOC.org. "A chip with lots of peripherals. And it's VPU. And it's a 3D GPU... Oh and here, have the source code."

And now there's big news, reports long-time Slashdot reader lkcl: Libre-SOC's entirely Libre 180nm ASIC, which can be replicated down to symbolic level GDS-II with no NDAs of any kind, has been submitted to IMEC for fabrication.

It is the first wholly-independent Power ISA ASIC outside of IBM to go Silicon in 12 years. Microwatt went to Skywater 130nm in March; however, it is also developed by IBM, as an exceptionally well-made Reference Design, which Libre-SOC used for verification.

Whilst it would seem that Libre-SOC is jumping on the chip-shortage era's innovation bandwagon, Libre-SOC has actually been in development for over three and a half years so far. It even pre-dates the OpenLane initiative, and has the same objectives: fully automated HDL to GDS-II, full transparency and auditability with Libre VLSI tools Coriolis2 and Libre Cell Libraries from Chips4Makers.

With €400,000 in funding from the NLNet Foundation [a long-standing non-profit supporting privacy, security, and the "open internet"], plus an application to NGI Pointer under consideration, the next steps are to continue development of Draft Cray-style Vectors (SVP64) to the already supercomputer-level Power ISA, under the watchful eye of the upcoming OpenPOWER ISA Workgroup.

Cho Jae-weon, an urban and environmental engineering professor at the Ulsan National Institute of Science and Technology (UNIST), has designed an eco-friendly toilet connected to a laboratory that uses excrement to produce biogas and manure. Reuters reports: The BeeVi toilet -- a portmanteau of the words bee and vision -- uses a vacuum pump to send feces into an underground tank, reducing water use. There, microorganisms break down the waste to methane, which becomes a source of energy for the building, powering a gas stove, hot-water boiler and solid oxide fuel cell. An average person defecates about 500g a day, which can be converted to 50 liters of methane gas, the environmental engineer said. This gas can generate 0.5kWh of electricity or be used to drive a car for about 1.2km (0.75 miles).

Cho has devised a virtual currency called Ggool, which means honey in Korean. Each person using the eco-friendly toilet earns 10 Ggool a day. Students can use the currency to buy goods on campus, from freshly brewed coffee to instant cup noodles, fruits and books. The students can pick up the products they want at a shop and scan a QR code to pay with Ggool.

The world's wind and solar energy capacity grew at a record rate last year while the oil industry recorded its steepest slump in demand since the second world war, according to BP. The Guardian reports: The impact of coronavirus lockdowns on the energy industry led carbon emissions to plummet by 6% on the year before, the sharpest decline since 1945, according to BP's annual review of the energy sector. But the report says the impact of Covid on carbon emissions needs to be replicated every year for the next three decades if governments hope to limit global heating to 1.5C above pre-industrial levels. "Yes, they were the biggest falls seen for 75 years," said Spencer Dale, BP's chief economist. "But they occurred against the backdrop of a global pandemic and the largest economic recession in postwar history. The challenge is to reduce emissions without causing massive disruption and damage to everyday lives and livelihoods."

Meanwhile the "relentless expansion of renewable energy" meant electricity generated by wind, solar and hydroelectricity plants was "relatively unscathed," Dale said. The report found that global wind and solar power capacity grew by 238GW in 2020, more than five times greater than the UK's total renewable energy capacity. The increase was mainly driven by China, which accounted for roughly half of the global increase in wind and solar energy production capacity, but even controlling for that 2020 was a record year for building wind and solar farms. Dale said the trend away from fossil fuels and towards renewable energy last year was "exactly what the world needs to see as it transitions to net zero."

Grubhub and Russian self-driving startup Yandex are teaming up to use robots to deliver food on US college campuses. It represents the latest deal that envisions hundreds of six-wheeled self-driving robots that essentially act as roving lunchboxes in cities across the country. From a report: The robot-powered delivery service won't kick off until this fall when college students return to campus. Yandex, which is often described as Russia's Google, will operate the robots, as well as handle the entire food delivery process. Grubhub, which has partnerships with over 250 college campuses in the US, will serve as the platform for the delivery transactions.

Grubhub cited the cost savings it will get by eliminating the delivery worker from the equation as a potential benefit from the deal with Yandex -- though neither company disclosed the financial terms of the partnership. "We're excited to offer these cost-effective, scalable and quick food ordering and delivery capabilities to colleges and universities across the country that are looking to adapt to students' unique dining needs," said Brian Madigan, vice president of corporate and campus partners at Grubhub, in a statement. Yandex says that its delivery robots can navigate pavement, pedestrian areas and crosswalks, and reach campus areas not accessible by car. "Such functionality enables the robots to handle delivery tasks traditionally performed by people and provides efficient last-mile logistics automation," the company says.

An anonymous reader quotes a report from Ars Technica: The fossil fuel power plant that a private equity firm revived to mine bitcoin is at it again. Not content to just pollute the atmosphere in pursuit of a volatile crypto asset with little real-world utility, this experiment in free marketeering is also dumping tens of millions of gallons of hot water into glacial Seneca Lake in upstate New York. "The lake is so warm you feel like you're in a hot tub," Abi Buddington, who lives near the Greenidge power plant, told NBC News. In the past, nearby residents weren't necessarily enamored with the idea of a pollution-spewing power plant warming their deep, cold water lake, but at least the electricity produced by the plant was powering their homes. Today, they're lucky if a small fraction does. Most of the time, the turbines are burning natural gas solely to mint profits for the private equity firm Atlas Holdings by mining bitcoin.

Atlas, the firm that bought Greenidge has been ramping up its bitcoin mining aspirations over the last year and a half, installing thousands of mining rigs that have produced over 1,100 bitcoin as of February 2021. The company has plans to install thousands more rigs, ultimately using 85 MW of the station's total 108 MW capacity. [...] The 12,000-year-old Seneca Lake is a sparkling specimen of the Finger Lakes region. It still boasts high water quality, clean enough to drink with just limited treatment. Its waters are home to a sizable lake trout population that's large enough to maintain the National Lake Trout Derby for 57 years running. The prized fish spawn in the rivers that feed the lake, and it's into one of those rivers -- the Keuka Lake Outlet, known to locals for its rainbow trout fishing -- that Greenidge dumps its heated water. Rainbow trout are highly sensitive to fluctuations in water temperature, with the fish happiest in the mid-50s. Because cold water holds more oxygen, as temps rise, fish become stressed. Above 70 F, rainbow trout stop growing and stressed individuals start dying. Experienced anglers don't bother fishing when water temps get to that point.

Greenidge has a permit to dump 135 million gallons of water per day into the Keuka Lake Outlet as hot as 108 F in the summer and 86 F in the winter. New York's Department of Environmental Conservation reports that over the last four years, the plant's daily maximum discharge temperatures have averaged 98 in summer and 70 in winter. That water eventually makes its way to Seneca Lake, where it can result in tropical surface temps and harmful algal blooms. Residents say lake temperatures are already up, though a full study won't be completed until 2023.