So you decided to visit Silicon Valley and/or San Francisco and want to know where to go. Here is a hand full of places you can visit during your stay. Of course there is plenty more to do and see then what’s listed below, but this should be a good start for you
Wednesday, August 3, 2011
You'll 'heart' this illusion
TWO HEARTS: With colored backdrops, these two hearts appear to be the same hue. But wait for the image to change. When the color background is taken away, does it change how the hearts look?