High-Speed Materials Discovery
A new way to identify battery materials suitable for mass production could revolutionize energy storage.
Story Archive
Ultra-Efficient Solar
Under the right circumstances, solar cells from Semprius could produce power more cheaply than fossil fuels.
TR10: Nanopiezoelectronics
Zhong Lin Wang thinks piezoelectric nanowires could power implantable medical devices and serve as tiny sensors.
Cognitive Radio
To avoid future wireless traffic jams, Heather "Haitao" Zheng is finding ways to exploit unused radio spectrum.
Fred Wilson on Why the Collapse of Venture Capital is Good
The well-known investor behind the likes of Twitter and Foursquare says venture capital funds have gotten too big.
Three Questions for Patti Maes
Maes, whose research group studies human-computer interaction, says mobile devices may soon eavesdrop on their owners to anticipate their needs.
Max Levchin
The PayPal cofounder wants to see more startups trying for bigger things.
Facebook's Timeline
The social-networking company is collecting and analyzing consumer data on an unprecedented scale.
Nanopore Sequencing
Simple and direct analysis of DNA will make genetic testing routine in more situations.
A Faster Fourier Transform
A mathematical upgrade promises a speedier digital world.
