A silicon wafer just four inches in diameter holds all the scientific instruments needed to obtain clear views of how the Universe looked like in its infancy. The device, which is still under development, will be 10,000 times more sensitive than current, state-of-the-art instruments. The goal of such a device would b... |
1 July 2011
04:48 GMT |
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Over the past few weeks, Spirit has been making its way to the Goddard and Von Braun features, having departed the “Home Plate” plateau, where it spent the rugged Martian winter. Looking back with its cameras, the robotic probe took snapshots of its own trails, sending back images that took NASA by surpri... |
1 April 2009
10:51 GMT |
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The analytical technique of mass spectrometry allows the identification of the chemical composition of a sample or of a compound based on the mass-to-charge ratio of its charged particles (ions). This ratio of the particles is observed via passing them through the electric and magnetic fields of a mass spectrom... |
31 October 2008
09:33 GMT |
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On 30 April 1897, at the Royal Institution Friday Evening Discourse, Joseph John Thomson announced that he had discovered 'corpuscles', bodies smaller than the hydrogen atom and bearing a negative electric charge. These corpuscles were later named 'electrons', and were the first subatomic particle... |
30 April 2008
05:56 GMT |
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