| Scientists create a 3-D invisibility cloak for visibile light Invisibility cloaks make objects invisible to the observer. Read the full story Can decades-old laws keep up with smart technology? State-level legislative debates related to electric and autonomous vehicles are just the latest example of how rapidly changing technologies will challenge the nation's regulatory framework. Read the full story With new sensors, a phone that detects emotion (and more) Altimeter sensors, heart monitors, sweat sensors, temperature sensors and humidity sensors will soon make smartphones smarter. Read the full story Why hospital ERs are on the decline Over a 20-year period, more than 25 percent of all emergency rooms in the United States closed or went out of business. Why? We spoke to researcher Renee Hsia. Read the full story Is wave power crashing? PG&E jettisons all of its wave power plans for the Californian coast. Will this emerging industry sink or ride out the tide? Read the full story Amazon: 'we're selling more Kindle books than print books' Amazon says Kindle ebook sales have just surpassed combined hardcover and paperback purchases. Overall, about 17% of all book sales are now ebooks. Read the full story U.S. grants $737 million to solar 'rocket science' power plant The U.S Department of of energy has given a US$737 million conditional loan guarantee to SolarReserve, a company that uses rocket science to generate power from the sun 24/7. Read the full story Paraplegic man stands, walks via epidural spinal cord stimulation A 25-year-old man paralyzed from the chest down can stand, bear weight for four minutes at a time and take stepping motions courtesy of epidural electrical stimulation in the lower spinal cord. Read the full story Liquid crystals in your screen can detect bacterial contamination The technique could lead to faster, more sensitive tests for bacterial contamination in water and injectable medical fluids. And no more horseshoe crabs will need to donate blood. Read the full story Engines revving up for international awards (photos) 76 automotive journalists from 36 countries were selected by UKIP Media to judge the 2011 International Engine of the Year Awards. Read the full story Britain's carbon-light future Wrangling over, the government announces one of the world's most ambitious CO2 reduction plans. But there's a catch. Read the full story BigAppleRx: Can NYC's discount card for prescriptions ease hospital strains? A free card available to anyone can bring 47% savings on prescription drugs through 2,000 local drugstores. Can this new purchasing power relieve the burden on public hospitals? Read the full story Bank of America resets emissions, green building goals After cutting greenhouse gas emissions for its U.S. operations by 18 percent between 2004 and 2009, the company aims for a 15 percent cut across its global operations. Read the full story Find out how long you'll live with a blood test The tests measure telomeres, which are structures on the end of chromosomes that shorten as people age. Shortened telomeres have been linked to a number of diseases such as cancer and heart disease. Read the full story How a mobile device can help physical therapy patients see under the skin Microsoft researchers develop a device that lets doctors see underneath patients' skin. Read the full story | 
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