sammy4444's channel

Mr. Bergmann performs the exploding pumpkin trick as part of a Halloween demo day for his chemistry students. Now that's how you carve a pumpkin!

After nine heart surgeries, "Harmonica Man" Andy Mackie stopped his prescriptions and used the money to spread the joy of music to kids. Watch Mac...

Experiments performed with a team of nano quadrotors at the GRASP Lab, University of Pennsylvania. Vehicles developed by KMel Robotics. Special t...

Nada Surf performed live at the Bowery Ballroom for their sold-out record release show on January 24th, 2012 to celebrate the release of their new ...

Another cover. Enjoy!

we almost ran this blow snake over as it was sunning itself on the road, and it wasn't happy as we tried to convince it to get off the road

we happened upon a group of owls at work the other day. they were just chilling out in the shade! here is one of them

this was for a project in one of my classes... a problem presents itself, and with the help of a refreshing mentos, is resolved ;P