For the first time, astronomers have used a ground-based telescope to observe polarized microwave light from the universe's ...

The origin of our sun, and all the planets, comets and asteroids that orbit it, can be traced back to their birthplace inside a massive cloud of cold gas and dust, not unlike the billowing molecular ...

Abstract: This paper describes recent trends in LED technology. Emphasis is placed on the LED materials and device-fabrication technologies that have resulted in larger and brighter LED displays with ...