Sunday 9 September 2012

Spider time

There is a lot of physics to be seen on these dew-covered cobweb ‘miniscapes’.
  • Gravity: Notice the downwards curvature of the heavy water-loaded spinning threads.
  • Optics: A close look reveals a world turned upside down in the droplets.
  • Surface tension caused by Vanderwaals forces: That is the reason why droplets are formed in the first place.
Sorry, I can’t resist referring to my background now and then.

* Canon EOS 5D Mark II, 100mm/f2.8; ISO-400, f4, 1/3200s; -0.3 stop.
* Canon EOS 5D Mark II, 100mm/f2.8; ISO-400, f20, 1/200s; -0.7 stop; tripod.

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