LETTUCE is California's main vegetable crop. The state grew $1.6 billion-worth of the leafy plant in 2010 and accounts for more than 70% of all lettuce grown in America, itself the world's second-biggest exporter of the stuff. It is a fiddly business. Not

Physicists at The University of Texas at Austin, in collaboration with colleagues in Taiwan and China, have developed the world's smallest semiconductor laser, a breakthrough for emerging photonic technology with applications from computing to medicine.

SAN FRANCISCO, September 30, according to foreign media reports, the Massachusetts Institute of Technology scientists has developed a new technology: the use of magnetic separation of oil and water. Researchers believe that this new technology can be effe

If you think of images of high dynamic range, or HDR, you probably think crazy panoramic cityscapes or fog in which everything appears clearly impossible – imagine seeing everyone that way. These glasses allow you to see in real-time 3-D HDR – and is more