MightySapphire's channel

The basic physics behind how rockets work! (plus a special announcement)

Perimeter Institute: http://www.pitp.ca

VomitPhysics video: http://www.y...

Why circles are round (and triangles too!)

rotor in a square hole: http://www.youtube.com/watc...

more info on reuleaux rotors and oth...

My entry to the techNyou Science Ambassadors competition, visit www.facebook.com/talkingtechno­logy and www.youtube.com/technyouvids to find out mor...

Two linemen colliding can light a 60W bulb for over a minute!

Cool book on habits: http://www.charlesduhigg.com

minutephysics is now on Google+ ...

If you're watching videos with your preschooler and would like to do so in a safe, child-friendly environment, please join us at http://www.sesames...

February 4, 2012: Because they've been overwhelmingly well-behaved (if not models of proper spelling, punctuation, or grammar), comments are no lon...

Get Randall's book now! http://bit.ly/wW79nq

***GET RANDALL'S AUTHENTIC HONEY BADGER DON'T CARE GAME APP RIGHT NOW: iOS: http://bit.ly/t5icJC

An...

Music video by Juanes performing Gotas De Agua Dulce. (C) 2007 Universal Music Latino

Music video by Juanes performing Me Enamora. (C) 2007 Universal Music Latino

Music video by Fanny Lu performing Tu No Eres Para Mi. (C) 2008 Universal Music Latino

The original version of this was taken down, but this is much too good to let die... After all, "I'm on a boat mutha-fucka!"

Brought to you by htt...

Brentwood United Methodist

Share the Spirit Auction and Dinner Show

Run to the Manger

Brentwood United Methodist Church

Youth Advent Concert

Sonshine Ensemble, Sonshine Choir 10th-12th grades

Old couple being awesome on a webcam. They didn't know it was on. You can learn a lot about how to live a good life from this video.

More people n...

UnitedHealthcare of Pennsylvania donated $100,000 to The Susan G. Komen for the Cure Philadelphia Affiliate when video views of the "Team Ra-Ras Ki...