Φ-calcs

COOL LEAF: Mirror-like, button-less, flat input devices

<img src="http://www.crunchgear.com/wp-content/uploads/2010/03/cool_leaf.png" /> A Japanese company called <a href="http://www.minebea.co.jp/english/index.html">Minebea</a> has <a href="http://www.mi