Nanotubes promise better ion-propulsion efficiency.
Injecting liquid metal into a polymer results in a twistable, stretchable antenna.
Some experts doubt that startup Square can succeed.
Researchers develop a new method for making efficient nanotube transistor arrays.
IBM security tool searches for and destroys malicious code in the cloud.
The company unveils the technical details of its operating system.
A sensing surface developed by Microsoft researchers offers new ways to use computers.
A vehicle uses off-the-shelf components to build 3D maps of an area.
Secure Internet-address-lookup technology readied for .net and .com domains.
Cryptography solutions are far-off, but much can be done in the near term, says Whitfield Diffie.