Zip software can detect the quantum-classical boundary

Quantum physics has a reputation for being mysterious and mathematically challenging. That makes it all the more surprising that a new technique to detect quantum behaviour relies on a familiar tool: a "zip" program you might ...

Researchers create cell phones for sign language

(PhysOrg.com) -- Cornell researchers and colleagues have created cell phones that allow deaf people to communicate in sign language, the same way hearing people use phones to talk.