optical illusion

This optical illusion is one that will have you turning your head sideways and asking, "How did they do that?" and it's only about 30 minutes from Buffalo.

Looking for something to keep you busy for a little while.  Try this one out with your kids.  It's pretty simple to do.  Press play and then stare at the dot.  It doesn't get easier than this.  But it's pretty cool to see.

Here's a little optical illusion to start off your Monday.  This may be too "trippy" for some, but I thought it was pretty cool.  Not really sure where this sidewalk art was done.

Try to figure this one out.  It's a perpetual motion machine.  In a nutshell, try to explain how water flows up.