Observe and animate clocks, rods, and flashes of light obeying special relativity. Watch the situation from multiple frames of reference, and advance time to put the system in motion.
Objects are plotted as [i]β=v/c[/i] vs. [i]x[/i].
Applet inspired by the [i]Spactime[/i] program by Edwin F. Taylor, from the now-defunct Physics Academic Software.
