Scientists stunned by huge MIT discovery
http://www.freerepublic.com/focus/f-chat/3463611/posts
In cooperation with the Sinapore University of Technology and Design, the MIT researchers found a way to print tiny features on a micron scale, and then bent them — causing them to spring back into their original shape afterwards after being heated to a certain temperatures, according to an MIT statement. There are so many potential important applications for the discovery, including actuators that would turn solar panels toward the sun automatically and drug capsules that act on their own. It’s something that goes beyond 3D printing into what researchers would call 4D printing, as the structures cross into the...
Crusader-era hand grenade surprises archaeologists
http://www.freerepublic.com/focus/f-chat/3462619/posts
[Holy hand-grenades, Batman!]
Thanks for the MIT info. I grew up near there, and several of my HS friends went there.