by Michael Grabell, ProPublica
The Transportation Security Administration says its full-body X-ray scanners are safe and that radiation from a scan is equivalent to what's received in about two minutes of flying. The company that makes them says it's safer than eating a banana.
But
יום שני, 16 במאי 2011
יום ראשון, 15 במאי 2011
NASA Animation of Hazardous Asteroid 2005 YU55 Approach of Earth on November 8, 2011
Trajectory of Asteroid 2005 YU55 - November 8-9, 2011 Credit: NASA
Near-Earth asteroid 2005 YU55 will pass within 0.85 lunar distances from the Earth on November 8, 2011. The upcoming close approach by this relatively large 400 meter-sized, C-type asteroid presents an excellent opportunity for synergistic ground-based observations including optical, near infrared
Near-Earth asteroid 2005 YU55 will pass within 0.85 lunar distances from the Earth on November 8, 2011. The upcoming close approach by this relatively large 400 meter-sized, C-type asteroid presents an excellent opportunity for synergistic ground-based observations including optical, near infrared
יום שבת, 14 במאי 2011
New Green Technology For Hydrogen Production
Researcher Mohamed Halabi of Eindhoven University of Technology demonstrates a proof-of-concept for a new and clean technology to produce high purity hydrogen from natural gas. This allows hydrogen to be produced in an elegant technique at much lower temperatures, and without releasing CO2 into
יום שישי, 13 במאי 2011
Syria shoots at own people - Video
Dramatic amateur video emerged on Thursday showing several men in the city of Daraa struggling to drag an injured man to safety while avoiding shooting from alleged snipers. (May 11)
Islamization
Islamization
יום רביעי, 11 במאי 2011
Bin Laden's wife: I'll stand with you, I want to be martyred too!! [We go out in a bomb of glory!]
Dec. 24, 1998 photo, al-Qaida leader Osama Bin Laden speaks to a selected group of reporters in the mountains of Helmand Province in southern Afghanistan."I want to be martyred with you and I won't leave as long as you're alive," he recalls her saying. Even
יום שלישי, 10 במאי 2011
יום שני, 9 במאי 2011
First Hectare-Scale Maps Of Canopy Height, Aboveground Biomass And Forests
The Woods Hole Research Center has released the first hectare-scale maps of canopy height, aboveground biomass, and associated carbon stock for the forests and woodlands of the conterminous United States. The multi-year project, referred to as the National Biomass and Carbon Dataset (NBCD), produced
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