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Curated Video
Not Superman or Spiderman--Just a Gutsy Stuntman | Outrageous Acts of Science
Skydiver Paul Steiner performs an incredible mid-air stunt: transporting himself from one plane to another. | For more Outrageous Acts of Science, visitef='http://science.discovery.com/tv-shows/outrageous-acts-of-science/#mkcpgn=ytsci1'...
Curated Video
Never Leave a Trainee Alone in the Cockpit
If the tragic crash of TANS Peru Flight 204 has anything to teach us, it's this. From: AIR DISASTERS: Blind <a href='http://bit.ly/1stvoCw' target='_blank' rel='nofollow'>Landing</a>='http://bit.ly/1stvoCw' target='_blank' rel='nofollow'>Landing
Professor Dave Explains
Practice Problem: Kinetic and Potential Energy of a Ball on a Ramp
Look at this nifty ramp you made! Let's roll some stuff off of it, shall we? Good thing we know all about potential energy and kinetic energy, because that will allow us to calculate all kinds of things, like the velocity of the ball at...
Professor Dave Explains
Lyndon B. Johnson: A Tragic Figure (1963 – 1969)
Lyndon Johnson ascended to the presidency upon the assassination of John F. Kennedy. He was a large, imposing man, who had been an influential Senate Majority Leader and Vice President. And as President, it is difficult to say whether he...
Curated Video
Midpoint VIDEO
Find all six trig ratios given a point on the terminal side of theta. In this video we work this common type of problem. We use the Pythagorean Theorem to find "r" (hypotenuse), and then use the given "x" (adjacent) and "y" (opposite) to...
Weird History
What Were Your Chances of Surviving the Titantic Based on Your Income
When it came to who survived the Titanic and who died that night in April of 1912, social status and gender were staggeringly important. It's well known there weren't enough lifeboats on the Titanic, and the ones that were used could...
PBS
Reaction to the Assassination of Martin Luther King, Jr., 1968
A short video features an archival video from a 1968 Boston rally where two speakers respond to the assassination of Dr. Martin Luther King, Jr.