Determining the origin of a phone call cuts fraud, including identity theft.
An ingenious solar sticker made with techniques drawn from nanotechnology could turn almost any surface into a source of power.
If you want to use technology to make life better for people with autism and their families, the trick is to make the technology secondary.
Looking more closely at the way people move through cities.
A nanoengineering scheme to make drugs more effective by fooling the immune system.
How he invented the smart watch.
A revolutionary type of 3-D display could provide a new look to moving images.
Images of the beating heart could make it easier to detect and treat heart disease.
The mPedigree Network, based in Ghana, lets people determine with a text message whether their medicine is legitimate.