04/08/2005

Quantum information can be negative

Even the most ignorant cannot know less than nothing. After all, negative knowledge makes no sense. But, although this may be true in the everyday world we are accustomed to, it has been discovered that negative knowledge ...

Novel technique offers new look at ancient diet dogma

A Penn State researcher is part of the team that developed techniques that have generated insights into dietary divergences between some of our human ancestors, allowing scientists to better understand the evolutionary path ...

Melting of Floating Ice Will Raise Sea Level

When ice on land slides into the ocean, it displaces ocean water and causes sea level to rise. People believe that when this floating ice melts, water level doesn’t rise an additional amount because the freshwater ice displaces ...

Moderate drinkers end up better thinkers

Moderate drinkers have been found to be better thinkers than heavy drinkers and those who do not drink at all, according to the Australian National University research. In a study of more than 7000 people aged 20-24, 40-44 ...

Lasers Key to Handheld Gas and Liquid Sensors

Terrorists have just laced the water supply of a major metropolis with a chemical so lethal that only small amounts are needed to kill thousands of people. But the chemical never reaches its targets. Tiny liquid phase sensors ...

Internal report critical of shuttle foam

An internal NASA report, which did not warn against the Discovery launch, did warn of the way insulating foam had been applied to sections of the fuel tank.

Venus Express launch campaign starts

ESA’s Venus Express spacecraft has just completed its last phase of testing in Europe and is ready to be shipped to its launch site at the Baikonur Cosmodrome in Kazakhstan.

View from the Top: VoIP comes of age

Voice over Internet Protocol has emerged as an increasingly popular alternative to traditional phone connections for its ability to transport voice communications over data networks like the Internet.

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