Comprehensive coverage

April 19, 2010

barbecue. From Wikimedia, photo: Elena Chochkova under CC license

on "topical" issues

  • 16 תגובות
- In June 1982, the four engines of a Boeing 747 of British Airways flew like this when it flew through a cloud of volcanic ash. There were 248 passengers on board. Photo: British Airways/Captain Eric Moody/European Space Agency

The aviation hysteria as a result of the eruption of the volcano in Iceland is due to the impact of volcanic ash on 90 planes in the past

  • 8 תגובות
A poly solar cell. Published on Wikimedia under the GNU license

Three new technologies guarantee efficient and cheap solar cells

  • 17 תגובות
A red Maccabim blood flower, the symbol of the Day of Remembrance for the martyrs of Israel's systems and the victims of hostilities. Photo: Esther Inbar http://commons.wikimedia.org/wiki/User:ST

Warriors who lose a friend in combat suffer emotional shock and trauma that lasts for years

  • 2 תגובות
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