News tagged with measurements

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Einstein's Cross under the gravitational microlens

A Spanish research team has obtained measurements for the innermost region of a disc of matter in orbital motion around a supermassive black hole in the quasar known as Einstein's Cross (Q2237-0305). It constitutes the most ...

dateDec 23, 2015 in Astronomy
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Are we overdoing aviation security?

The attacks on the World Trade Centre in New York on 11 September 2001 made a huge impression on the entire world. Not in our worst nightmares had we imagined that planes would be used as weapons in carrying out acts of terrorism.

dateDec 08, 2015 in Other
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Liquid acoustics half way to the Earth's core

The most direct information about the interior of the earth comes from measuring how seismic acoustic waves—such as those created by earthquakes—travel through the earth. Those measurements show that 95% of the earth's ...

dateNov 24, 2015 in Earth Sciences
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