January 13, 2009 • 5:15 pm 0
You might have noticed energy-efficient LED lights replacing the traditional holiday bulb lights on many store shelves this year. They’re not cheap, but the sales pitch is they save energy, cut the risk of fire and last practically forever.
Filed under: Technology
• 5:09 pm 0
Imagine changing channels or surfing the web with just a flick of your tongue. Researchers have come up with such a device. As this ScienCentral News video shows, it’s for those who are paralyzed that the system holds the most promise.
Filed under: Science
