06/01/2014

Bees dance the light fantastic

Honeybees use a pattern of light in the sky invisible to humans to direct one another to a honey source, scientists have found.

Triple millisecond pulsar laboratory challenges theory

(Phys.org) —Millisecond pulsars are old neutron stars, which rotate several hundred times per second. They are often found in binary systems and their existence can be explained by mass transfer from a companion star. The ...

Technology one step ahead of war laws

Today's emerging military technologies—including unmanned aerial vehicles, directed-energy weapons, lethal autonomous robots, and cyber weapons like Stuxnet—raise the prospect of upheavals in military practices so fundamental ...

Synthetic natural gas from excess electricity

"Power to gas" is a key concept when it comes to storing alternative energy. This process converts short-term excess electricity from photovoltaic systems and wind turbines into hydrogen. Combined with the greenhouse gas ...

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