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.


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It has the potential to be used for many good applications. But, it could also be used for a number of nefarious ones. Would you trust your law enforcement agency to have some of them?
I would much rather that the law had these than the media. At least the law is accountable.
Um, I want farmers to have them?
I agree with 'Snerdguy'. Well said.
Donne russe
Something new for the potfarmers to shoot at...
google sky-view
Should be a very useful tool for search and rescue in wilderness / outdoor.
Modern archaeology generally started with the ability to do aerial surveys, especially in Great Britain, I've read. This could be a wonderful tool for spotting perhaps Norse forts or other historical and prehistoric features in the landscape by visual clues, i.e., outlines of drainage and/or phytoarchaeology, some plants tend to grow in certain materials, "...surface vegetation can identify man-made artefacts buried beneath the soil."
Can anyone enlighten me about its technology?