SciShow
Cavitation
Bubbles—fun to play with or a cancer-killing device? Enthusiastic host of the video explains what cavitation is and how tiny bubbles can cause so much damage to ships. It then goes into other applications of cavitation and the...
SciShow
Curiosity: Mars' Next Visitor
How would it feel if you were hired for a temporary job that was to last just over two years and you were still working every day more than five years later? Probably not very happy! The video shares the excitement when Curiosity was...
SciShow
Tractor Beams: Almost Real!
Tractor beams attract an object from a distance and were first proposed in a science fiction novel published in 1931. A video explains how current tractor beams work, what they are able to move, and the limitations of moving things. It...
University of California
How Dust Is Holding Science Back
There are millions of dust particles in every breath of air. These tiny particles have a huge impact on nanotechnology, microchips, and other types of scientific research. The video highlights these concerns and how they are working to...
Khan Academy
What is Inside a DVD Player? (5 of 5), Electrical engineering
You probably know that a laser is used in a DVD player, but how exactly does it work? The last of five videos explains the laser setup in the DVD player and how it transmits stored information. The video begins with a drawing and ends...
Khan Academy
Khan Academy: Challenge: Get Loud!
For a bigger and better light show, try experimenting with amplitude, frequency, and even the source of the sound (try your favorite song). Add in a friend and you"ve now got a dueling laser-light show!
Science Friday Initiative
Science Friday: Looking Back on the Laser
Optical scientists are celebrating 2010 as the 50th anniversary of the laser.
Mocomi & Anibrain Digital Technologies
Mocomi: Discovery of Laser
Overview of lasers and how they work.