Salt Water System Could Generate Hydrogen

(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy they produce, ...

Faced with global warming, aviation aims to turn green

Will we someday be able to fly without the guilt of causing environmental damage? A handful of firms and regulators hope that the electric revolution in cars will also take to the skies, helping the industry cope with an ...

Lockdown emissions fall will have 'no effect' on climate

The unprecedented fall in greenhouse gas emissions from lockdowns during the pandemic will do "nothing" to slow climate change without a lasting switch from fossil fuels, an international team of researchers said Friday.

New mathematical model aids Big Bang supercomputer research

(PhysOrg.com) -- Scientists have made many discoveries about the origins of our 13 billion-year-old universe. But many scientific mysteries remain. What exactly happened during the Big Bang, when rapidly evolving physical ...

How to fund roads and ensure electric vehicles pay their share

Since electric vehicles use no gasoline, their drivers pay no gasoline tax. And as more people drive EVs, gas-tax revenue for road repairs is dwindling. So how can California and the rest of the country avoid road-funding ...

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