MAKE presents: The LED
Take a tour through the world of the light-emitting diode and learn - who invented it, how to use it, and how to make your own. more Make presents ...
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MAKE presents: The LEDTake a tour through the world of the light-emitting diode and learn - who invented it, how to use it, and how to make your own. more Make presents ... Knicks' bench, led by Baron Davis, doesn't have same explosiveness second time ...NEW YORK — For the second time in just over two weeks, Mike D’Antoni looked to his bench to replace his starting point guard and didn’t know what to expect from his selection. The setting — Madison Square Garden — and the opponent — the Nets — were identical. That was about it. On Feb. 4, D’Antoni, desperately seeking an answer, turned to the unknown Jeremy Lin to energize an anemic Knicks squad with lackluster point guard play facing a double-digit deficit. Tonight, nursing a four-point lead, he turned to a former All-Star coming off a major back injury simply because Lin, who logged 45 minutes against the Dallas Mavericks on Sunday, needed to rest. For two months it was anticipated as the Knicks’ season-changing moment. With 2:11 remaining in the first quarter, 13-year veteran Baron Davis, two months after taking a pay cut to start alongside Carmelo Anthony and Amar’e Stoudemire, finally checked in as a Knick to a rousing ovation. New manufacturing method could lead to LED TVs | TG DailyResearchers at Rensselaer Polytechnic Institute have taken a big step forward in the development of high-quality LED televisions and displays.
"Green LEDs are proving much more challenging to create than academia and industry ever imagined,” says professor Christian Wetzel. "Every computer monitor and television produces its picture by using red, blue, and green. We already have powerful, inexpensive red and blue LEDs. Once we develop a similar green LED, it should lead to a new generation of high-performance, energy-efficient display and illumination devices. This new research finding is an important step in the right direction." ...Several Student-Led Experiments to Fly on EndeavourThe first experiment is one that could provide some guidance on future long-duration space flight missions, it deals with seed germination. As missions take astronauts further and further away from Earth, they will need to be able to produce their own food. Learning everything possible about the effects of micro-gravity on seeds therefore is viewed as relevant and important research. “Crystal Lake Middle Schools’ students and staff members are grateful that the Florida Space Grant Consortium has provided funding that will allow one of our student experiments to fly aboard the Space Shuttle Endeavour in low Earth orbit for 14 days,” said the Magnet Programs Coordinator for Crystal Lake Middle School, Lenecia McCrary. “The students entered a school-wide competition that involved proposing and designing real and practical experiments. The chosen experiment deals with investigating the effects of micro-gravity on apple seed germination.” ...LED Lamps used in the Automotive Industry » articlezoom.cz.ccLED lamps on the application in the automotive lighting market is very hot topic Recently. With the development of compound semiconductor materials, LED also been developing rapidly, has developed a high-brightness red, yellow, green and so different wavelength diodes, luminous intensity is close to 1000mcd, and the digital display so widely used. The problems in the automotive lighting mainly in the stability of LED performance, consistency and luminous intensity. In 1990, HP, Toshiba developed GaAsP / GaAs red, yellow, ultra-high brightness (1000mcd), 1993, 1995, Nichia Chemical Company in Japan developed InGaN blue, green and white high brightness (1000mcd) in the light-emitting diodes, both for the revolutionary research of automotive LED lights, paving the way round. However, high cost of LED automotive lamps. The main problem is that it is the quality and volume issues, quality and quantities of the problem is resolved naturally down the price, but can not count on and incandescent down to the same price. Many advantages of LED light source can meet the vehicle safety, comfort, luxury, energy saving, environmental protection and multi-functional, and many other requirements, high-quality, high-grade lighting can not only improve the car’s quality, but also enhance their market competitiveness. LED car lamps will replace incandescent lamp as it was expensive alternative to incandescent lights, like candle light. ...
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