The term blackbody radiation refers to electromagnetic radiation emitted by a completely opaque object. Such an object is referred to as a blackbody since it absorbs all of the radiation that falls on it and thus appears to be colorless, or black....

In physics, a black body is an object that absorbs all electromagnetic radiation that falls onto it. No radiation passes through it and none is reflected. It is this lack of both transmission and reflection to which the name refers. These properties...

First to go were the giant oak trees along North Claiborne Avenue, cut down in the 1960s to make way for an elevated interstate highway.Then, in 2005 the floodwaters of Hurricane Katrina scattered the black community of downtown New Orleans across the country.But the celebration...

A video that remained secret for nearly three years after the horrific Beslan hostage crisis has cast new doubt on official conclusions about what led to the deaths of 334 people, more than half of them children, during one of Russia's worst terrorist attacks.The footage...

King Tut's buck-toothed face was unveiled Sunday for the first time in public — more than 3,000 years after the youngest and most famous pharaoh to rule ancient Egypt was shrouded in linen and buried in his golden underground tomb.Archeologists carefully lifted the fragile mummy...