Tiny electronic items can identify pets, clothes and even people. Evangelical Christians aren’t the only people worried about what this technology might mean.
A new type of material can make it easy to put antennas almost anywhere – no matter how thin the space, or even on surfaces people need to be able to see through.
President Obama’s call for better electronic gun-safety systems put a spotlight on the technologies currently in the R&D pipeline that aim to make sure only authorized users can fire a gun.