Tag: LED

Energy-saving LEDs boost light pollution worldwide

by Kerry Sheridan Agence France Presse MIAMI, United States (AFP) — They were supposed to bring about an energy revolution — but the popularity of LED lights is driving an increase in light pollution worldwide, with dire consequences for human and animal health, researchers said Wednesday. The study in the journal Science Advances is based on satellite data showing that the Earth’s night is getting brighter, and artificially lit outdoor surfaces grew at a pace […]

LiFi tech turns light bulbs into Internet transmitter

Reuters — A technology that turns the light bulb above your head into an Internet transmitter could have a disruptive impact on the wireless communications market comparable to that of the digital camera on photography, according to developers of pureLi-Fi. Li-Fi uses high-speed modulation of light-emitting diodes (LED), with the data embedded in the beam, to provide a fast Internet connection. Li-Fi’s advocates say that the technology will provide heightened speed and internet security. “The […]

NBA: Cavaliers try to pull level with Warriors in Finals

by Jim SLATER CLEVELAND, United States (AFP) — Defending champion Golden State and the LeBron James-led Cleveland Cavaliers rallied around underperforming stars on the eve of Friday’s turning point fourth game in the NBA Finals. The Cavaliers trail the best-of-seven series 2-1 despite a 120-90 romp Wednesday that has many questioning Cleveland’s need for injured forward Kevin Love and why NBA Most Valuable Player Stephen Curry of the Warriors has had only a so-so finals […]