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LED


— Wearable Electronics

Retractable Glowbelt shines a light on road safety

It can be scary and more than a little perilous to be on the roads at night if you're not in a car, with being visible the first step to avoiding an accident. Even if you wear light colors, many drivers may not see you until it's too late. Such concerns about road safety drove UK-based design house BMC Innovations to create the Glowbelt, a self-retracting one-size-fits-all belt covered in enough LEDs to make you both highly visible in the black of night and well-dressed for a rave. Read More
— Telecommunications

10 Gbps Li-Fi system shows wireless data transfer in a new light

Light might be the preferred option for transmitting data over long distances via cables, but when it comes to short range wireless, radio waves rule in the form of Wi-Fi and Bluetooth. Now Mexican company Sisoft, working with researchers from the Autonomous Technological Institute of Mexico (ITAM), has developed a wireless technology that transmits data in visible light emitted from LED lamps, while lighting the room at the same time. Read More
— Electronics

CoeLux skylight brings "sunlight" to windowless spaces

For residents living in the north, where sunlight can be a rare commodity during the winter, a psychological condition known as Seasonal Affective Disorder is a very real problem. Light therapy is one way to shake off the winter blues, and although artificial lighting solutions do exist, they are generally available as simple variations on traditional desk lamps. An Italian designer has developed CoeLux, a unique system that delivers artificial light through an intelligent false skylight. Read More
— Medical

LEDs may replace magnetism and radiation for neuroimaging

When doctors want to monitor someone's brain activity, they generally use either functional magnetic resonance imaging (fMRI) or positron emission tomography (PET). One subjects the patient to strong magnetic fields, while the other involves radiation exposure. Scientists at Washington University in St. Louis, however, have recently had success using diffuse optical tomography (DOT). Although it may look kind of extreme, it basically just involves shining LEDs into the subject's head. Read More
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