timothy from the up-and-down-simultaneously-sounds-impossible dept.
Xibalba writes: "This is kinda cool. One million children in the UK jumped up and down simultaneously in an attempt to see what would seismically happen." This cries out to become an annual (and international) all-ages event. Bounce! Bounce! Gain weight! Bounce! Repeat.
The reason that every major university maintains a department of
mathematics is that it's cheaper than institutionalizing all those people.