Robert Roth

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Theory challenging Einstein's view on speed of light could soon be tested

New paper describes for first time how scientists can test controversial idea that speed of light is not a constant<p>The newborn universe may have glowed with light beams moving much faster than they do today, according to a theory that overturns Einstein’s century-old claim that the speed of light …

Researchers accidentally turn CO2 into ethanol

While governments around the world continue the long, hard work of regulating away the future use of fossil fuels, scientists have discovered how to …

NASA’s Bold Plan to Hunt for Fossils on Mars

A rover headed for the red planet will perform an unprecedented search for rocky remnants of dead Martians—so where should we send it?<p>Nearly four billion years ago, when Earth was coming alive, Mars was gradually choking to death. The thick atmosphere that had warmed the red planet was leaking into …

The cost of solar power has fallen 25% in just five months

The future is looking sunny for solar as the clean, renewable energy source gets cheaper – and fast. In just five months, the cost of solar plummeted …

Renewable Energy

Farewell, Rosetta: space mission to end on collision course with comet

After a two-year journey that has shaped our understanding of the solar system, the orbiter is to be crashed into Comet 67P<p>In a few days, European Space Agency controllers will order their Rosetta space probe to make an orbital correction that will send the craft on a collision course with the …

What are the long-term health effects of living in space? NASA is studying twins Mark and Scott Kelly to find out

Dr. Francine Garrett-Bakelman arrived at NASA's Johnson Space Center in the middle of the night, ready to get her hands on Scott Kelly's blood.<p>She watched on a laptop as the astronaut stepped off a plane March 2 about 1:30 a.m., back in Houston after his record 340 days aboard the International …

Solar-powered Pipe desalinizes 1.5 billion gallons of drinking water for California

The infrastructure California needs to generate energy for electricity and clean water, which will be significant, need not blight the landscape. …

Solar panels 100 times thinner than a human hair could power wearable technology revolution

Saving the Earth’s remaining resources is the need of the hour. With the population of the world growing at an unprecedented rate, their resources …

Breakthrough Tech: Scientists Use Swarms of Nanorobots to Precisely Target Cancer Cells

Nanotechnology has always been something more out of the future than the present. It’s very promising tech with a variety of exciting applications …