A drone spent hours swarming around Rio’s iconic Christ statue to show a cheap way to capture highly accurate 3-D scans.
Some companies see virtual and augmented reality as a way to make money from a new type of ads.
Cultural and technological trends are driving record investments in security startups.
Game developer Valve has been working on its own virtual-reality hardware—and it’s more impressive than anything else I’ve tried.
Some researchers are searching for more meaningful ways to measure artificial intelligence.
Orbital Insight is using deep learning to find financially useful information in aerial imagery.
A startup’s version of 3-D printing is faster and cheaper (and makes better objects).
A startup with radical new battery technology gets a vote of confidence from an appliance maker.
The network created by the results of teams playing each other can be ranked in the same way as websites, say computer scientists.