News tagged with energy

The bottom line on sustainability

Climate change, pollution, dwindling natural resources, diminishing fresh water supplies… the list of problems we face as a species in the twenty-first century continues to grow. Many of the environmental problems are sadly ...

Sep 25, 2014
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What is the geometry of the universe?

One of the big questions in cosmology regards the shape of the universe. "Shape" in this case is not the distribution of galaxies, but rather the shape of space and time itself. In general relativity, space ...

Sep 24, 2014
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How gamma ray telescopes work

Yesterday I talked about the detection of gamma ray bursts, intense blasts of gamma rays that occasionally appear in distant galaxies. Gamma ray bursts were only detected when gamma ray satellites were put ...

Sep 22, 2014
5 / 5 (5) 0

New Manhattan Project director documents released

The U.S. Department of Energy has declassified documents related to a Cold War hearing for the man who directed the Manhattan Project and was later accused of having communist sympathies.

Oct 08, 2014
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