Rough calculations: New book lays out practical tools for educated guessing
(PhysOrg.com) -- Time for some quick arithmetic: Is 3600 x 4.4 x 104 x 32 larger or smaller than 3 x 109?
(PhysOrg.com) -- Time for some quick arithmetic: Is 3600 x 4.4 x 104 x 32 larger or smaller than 3 x 109?
Mathematics
Mar 29, 2010
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(PhysOrg.com) -- Controlling the way liquids spread across a surface is important for a wide variety of technologies, including DNA microarrays for medical research, inkjet printers and digital lab-on-a-chip systems. But ...
Condensed Matter
Mar 29, 2010
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(PhysOrg.com) -- The rise in human emissions of carbon dioxide is driving fundamental and dangerous changes in the chemistry and ecosystems of the world’s oceans, international marine scientists warned today.
Environment
Mar 29, 2010
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(PhysOrg.com) -- A Harvard physicist has proposed the Earth could be cooled by pumping vast numbers of tiny bubbles into the sea to lower ocean temperatures and increase the water’s reflectivity. The same strategy could ...
(PhysOrg.com) -- Jose Almirall, director of FIU’s International Forensics Research Institute (IFRI), and his research team have been attracting national attention for their cutting-edge research on how laser-induced breakdown ...
Engineering
Mar 29, 2010
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In films and books black holes capture unwary spaceships and planets, gobble up whole galaxies or offer portals to other parts of the Universe.
General Physics
Mar 29, 2010
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The number of waste treatment facilities using biological processes to biodegrade waste has been increasing over the years. These installations receive municipal and industrial organic wastes with the common main goal of ...
Environment
Mar 29, 2010
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(PhysOrg.com) -- ESA's Maxus-8 sounding rocket was launched last week from Kiruna in northern Sweden carrying four microgravity research modules on a hectic 12-minute space voyage. The ultimate results may include improved ...
Space Exploration
Mar 29, 2010
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Japan is moving towards ending restrictions on mobile telephone users switching operators or using an overseas network by changing the SIM memory card, a government official said Monday.
Telecom
Mar 29, 2010
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Engineering yeast to transform sugars more efficiently into alcohols could be an economically and environmentally sound way to replace fossil fuels, say scientists presenting at the Society for General Microbiology's spring ...
Cell & Microbiology
Mar 29, 2010
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