Multieducator
Battle of Gettysburg
On July 1, 1863 the Army of Northern Virginia, under the command of General Robert E. Lee met the Army of the Potomac, under the leadership of Major General George Meade. Considered the turning point of the war, the Battle of Gettysburg...
PBS
NOVA Elements
It's like a periodic table variety show! When the plethora of periodic table apps becomes ho-hum, this one may revive interest.
Orange Qube
BaM Video Delay
As a dancer or an athlete, did you ever wish you could immediately see yourself in action so that you could determine where to make improvements? Here is a video delay application that allows you to preselect a length of time that will...
Third Rail Games
Factor Samurai
Master composite and prime numbers with this fast-moving game. Using your sword, slice those composite numbers and watch them break up into factors. Slice again if those factors are composite. However, watch out for prime numbers,...