four seasons in one day.
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hydrogen storage tablet developed at the Technical University of
Denmark could help lead the way to safe hydrogen powered vehicles.
Should
you drive a car 600 km using gaseous hydrogen at normal pressure, it
would require a fuel tank with a size of nine cars. With our
technology, the same amount of hydrogen can be stored in a normal
gasoline tank, says Professor Claus Hviid Christensen,…
yesterdays evenings
thunderstorm was a spectacular one. i took my camera, set the aperture
to the smallest opening and the exposure to 30 seconds and waited.
these are the two best ones that i captured but i missed the biggest
(and loudest) one. still not bad because i took the 30 second exposures
without a tripod.
it was completely dark besides the lighting flashes
a bit over…
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