from the scientists-do-it-with-lasers dept.
Alligator Descartes writes "The BBC reports - 'High-tech lasers have been used to unlock the secrets of Stonehenge.
The work at the ancient site in Wiltshire has already uncovered two carvings which are invisible to the naked eye.' The project website contains lots of images plus some nice animations of the scan data."
Nothing is faster than the speed of light ...
To prove this to yourself, try opening the refrigerator door before the
light comes on.