Three ways that scientists are using the fifth sense
By Katharine Gammon
Posted 04.30.2010 at 10:17 am 0 Comments
To the novice nose, all old books have a similar musty scent. But scientists are peeling apart that odor’s subtler characteristics to help preserve historical documents. They use standard chemical tests to detect 15 organic compounds emitted by paper that can signal that the book is decaying.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.