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Latest Stefan Seelecke Stories

8c45b68d54a9493b6d5575dff387a1ce1
2009-07-07 12:40:00

Tiny flying machines can be used for everything from indoor surveillance to exploring collapsed buildings, but simply making smaller versions of planes and helicopters doesn't work very well.


Word of the Day
sipe
  • a slit in a tire to drain away surface water and improve traction.
The word 'sipe' comes from Old English and is related to 'seep'.
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