This image, made using a laser mapping technology called LIDAR, was taken on September 17, 2001. It shows a 3-D model of the rubble left behind in lower Manhattan following the attacks on the World Trade Center.
Minnesota Public Radio's Paul Tosto has a really interesting peek into the way mapping techniques like LIDAR were used to help rescuers and clean-up crew understand the extent of the damage, look for survivors, and rehabilitate the area around the disaster zone.
The Library of Congress work also includes data from a a thermal sensor flown at 5,000 feet over Ground Zero that provided images to track underground fires that burned for weeks at the site.
It's worth remembering that Google Earth didn't exist back then. The ancient science of cartography has been reborn with the technology of the last decade. Let's hope it's not called on again to map destruction.
See more at the MPR News Cut blog
Via Peter Aldhous
In Switzerland, the state-owned Swissmint says today that a 2.96-millimeter (0.12-inches) gold coin created with Albert Einstein’s face on it is the smallest in the world.
Researchers in Berlin claim to have succeeded in re-creating the sound of the voice of an Egyptian person who died 3,000 years ago, and was entombed as a mummy.
The massive scale and force of the ongoing bushfires in Australia is hard to comprehend.
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