Lights lit up by sand? Neat!

Good evening everyone! I just wanted to share these amazing lights with you all. They use the kinetic power of sand to produce light! Pretty neat!

http://inhabitat.com/nyc/danielle-trofes-led-hourglass-lamps-use-the-kinetic-power-of-sand-to-produce-light/

Have a good day!
Heather & Amanda