Bitcoin is underpinned by unbreakable codes, but the secret keys that protect personal fortunes are easily lost or stolen.
An industry hopes to make Web-connected gadgets from different makers work well together.
Street View-style imagery of interior spaces lets mobile devices locate themselves more accurately than is possible with GPS.
Twitter’s footprint is growing fast, although English speakers in the U.S. remain the largest demographic. The trick now is to turn its global presence into advertising dollars.
IBM researchers have developed a new polymer-like material to treat fungal infections.
New catalysts turn carbon dioxide into fuels faster and more efficiently.
Novel modes of interaction are inspiring independent games companies to come up with completely new types of games.
SolarCity’s new battery system might help solar become a significant source of electricity.
Memoir, a new iPhone app, is meant to call up your digital memories at convenient times and places.
Using plastic to absorb light could lower the cost of solar power.