ray diagram

Lighting the Olympic flame

Image: Jon Candy @Flickr

The story

The flame that will burn during the London Olympic Games was lit at Olympia, the birthplace of the Ancient Olympics, last Thursday. The torch is lit using the same method as it was at the ancient Olympic Games, a parabolic mirror.

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Mind bending optical illusions

The video above shows the amazing gravity-defying optical illusion that won the 2010 Best Illusion of the Year Contest earlier this week.

Using optical illusions in science lessons never fails to amaze students.  This particular one could be used as an engaging starter to any lesson on forces. More