These videos are cool demonstrations or just outstanding and interesting.They don’t really fit in any of the other categories.
11/18/13: The Illusion of Time by Brian Greene
11/18/13: The Fabric of the Universe. What is Space? by Brian Greene
Added 8/21/13: Not really pure Physics, but absolutely awesome
Added 7/5/13: 500 LED Extreme flashlight (3:17)
Added 7/5/13: How a mechanical watch works (3:17) This is an awesome animation!
Added 7/5/13: How clock tower clocks work (7:25) by Trevor Murphy
Added 7/5/13: How atomic clocks work (2:39) by Dr. David Wineland
Added 7/3/13: 6 cool easy experiments you can do at home for fun (2:22) by BuzzFeedYellow
Added 7/1/13: Amazing bead chain experiment in slow motion (5:15) by Earthunplugged
Added 6/28/13: Stuff Engineering students DON’T say (1:52) by Brandon Crooks
Added 6/28/13: Flatland: The Film (1:39:55)
Added 6/27/13: Brainman on Letterman (8:13)
Added 6/22/13: Doppler effect for sound and light and red shift (4:53) by Doc Physics
Added 6/20/13: The Collapse of Physics as we know it (11:00)
Added 6/18/13: 2500 FPS drop of water (3:33) by the Slow Mo Guys
Added 6/12/13: Physics Slam 2012 (1:30:49)
Added 6/12/13: Cesium in water (slow motion) (4:16)
Added 6/11/13: I WAS surprised (1:40)
Added 6/11/13: Center of Mass video (19:16)
Added 6/11/13: Best explanation I have seen of a Foucault Pendulum (3:21)
Added 6/11/13: Branch connects two electrical lines (0:18)
Added 6/11/13: Don’t try this! (1:46)
Added 6/11/13: Upward Lightning (2:12)
Added 6/8/13: How a 4 cylinder 4 stroke car engine works (2:45)
Added 6/8/13: The physics and chemistry of automobile exhaust gases (6:17)
Added 6/8/13: Excellent animation of the engine to the gear box to the differential (5:54)
Added 6/8/13: Gear box and clutch (manual transmission) (3:48)
Added 6/8/13: The benefits of LSD (4:44)
Added 6/8/13: How differential gears work (from the 1930’s) (9:31)
Added 6/8/13: Bose-Einstein Condensate (2:39)
Added 6/713: Why you don’t flush sodium metal down the toilet (:48)
Added 6/7/13: How to throw cards really fast (1:46)
Added 6/7/3: The Master of Business Card Throwing (2:15)
Added 6/7/13: How tall can we build? (10:07)
Added 6/7/13: Video of inside of an engine showing the explosions!
Added 6/6/13: Fibonacci sequences in nature
Added 6/3/13: Are you schizophrenic?
Added 5/22/13 Metronome coupling
Added 4/21/13: Euler’s Disk
Added 4/9/13 (tip of the hat to Carlie): Mantis Shrimp = Awesome
Added 4/8/13: Silly putty eats a magnet
Added 4/7/13: In the top 5 coolest currently living
Added 3/29/13: This one just makes me happy
Added 3/17/13: DO THIS!!
Added 3/17/13: The Nuclear Option
Added 3/16/13: E = mc^2 is wrong
Added 3/14/13 (Tip of the hat to Joel Deardorf for sending me this one) Sound + Water
Added 3/11/13: Feynman on rubber bands
Added 3/11/13: Standing Waves
Added 3/8/13: Pendulum Wave Remix
Added 3/8/13: Pendulum waves
Added 2/17/13: Mosh Pit Physics
Added 2/9/13: First World Problems
Added 2/8/13: Formula One Racing abuse of air
Added 2/7/13: A great one minute source of excellent science links
Added 12/31/12: The most perfect scene I have witnessed in a movie
Added 12/15/12: Good Doppler effect website.
Aubrey de Grey says we can avoid aging (rated PG-13)
Added 11/18/12: Udacity — The future of online courses?
10/7/12: NASA: The Perpetual Ocean
8/12/12: Click here for: A good site to look at NOW if you are going to college.
7/1/12: Click here for: The Physics Classroom (an excellent tutorial)
6/26/12: Click here for: Slinky in detailed Free Fall.
4/8/12: Click here for: Minute Physics
2/8/12: Click here for: “Knittin” Needle on the ISS