By Amber Williams
Posted 04.02.2013 at 10:47 am 6 Comments
It’s not easy to see what’s going on in a handful of dirt, so some labs use gels and other substitutes to grow plants when they study them. Unfortunately, roots and most of the organisms that interact with them don’t grow as well in fakes. That’s why researchers at Scotland’s nonprofit James Hutton Institute have developed a transparent soil that more closely resembles the real deal.
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.