Samsung hopes the Galaxy will compete with the iPad through carriers and content.
Experts warn that the software could identify those it claims to protect.
The Chinese-made tablet falls short, highlighting problems with the Android ecosystem.
Flexible sensors could give prosthetics and robots a more sensitive sense of touch.
HTML5 is changing the look of Web video, but can it edge out Flash?
A unique particle physics detector will be attached to the space station to study the universe and its origins.
Cotton fabric treated with nano inks produces a water filter that's efficient and needs little power to work.
The largest-ever storm monitoring mission is now gathering scientific data that was previously impossible to get.
Products featuring memristors could appear in 2013.
The new approach wastes far less light, saving energy.