Optical and audio illusions: 15 videos to keep you entertained on your lunchbreak

From Telgraph.co.uk article.

The internet is awash with optical illusions and other tricks to fool our senses. Many are diverting; a handful are truly amazing. Here is our pick of the best on YouTube and Vimeo.

1. The cup and ball trick, with a modern twist.

CHOP CUP from :weareom: on Vimeo.

To watch the rest go to the article.