GPS doesn’t work indoors. Can a bat-like echolocation system take its place?
If you fancy trying your hand at radio astronomy, why not convert an old satellite dish.
A species-altering technology is said to need careful regulation before being released into the wild.
Psychologists have always puzzled over why people in Sweden were slower to start smoking and slower to stop. Now a group of mathematicians have worked out why.
The best of the rest from the Physics arXiv preprint server
The “world’s first family robot” is based on efforts to elicit emotional response in humans—a powerful idea, but one fraught with challenges.
Hiding covert messages in plain sight is becoming an increasingly popular form of cyber attack. And security researchers are struggling to catch up.
The data from GPS navigating equipment is revealing the most important junctions in traffic-clogged megacities.