Energy & Green Tech

Technique harvests waste heat from untapped sources

Thermoelectric materials convert heat to electricity or vice versa. However, their application to harvest waste heat is limited by challenges in fabrication and materials. Finding cost-effective ways to cover large and potentially ...

Security

China facial-recognition case puts Big Brother on trial

Facial-recognition technology has become embedded in China, from airports to hotels, e-commerce sites and even public toilets, but a law professor had enough when asked to scan his face at a safari park.

Energy & Green Tech

A greener, simpler way to create syngas

Researchers from UCLA Samueli School of Engineering, Rice University and UC Santa Barbara have developed an easier and greener way to create syngas.

page 16 from 18