Swans on Tea

Your math teacher, Darth Vader. (Boy, is he strict!)
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The ability to calculate the length of the hypotenuse is insignificant next to the power of the force.
I have to add — I would have noted that Vader’s board skills leave something to be desired, [...]

Non-Sequitur
[sigh]

Cubeecraft
Papercraft toys.
Most of the Cubeecraft designs have interchangable parts! Do you think the Rocketeer should be wearing Master Chiefs helmet instead? Go for it. Do you think Mr.Stay Puft should trade in his kerchief for a suit? Switch out his body for Mr.Dtoids!
via Neatorama

Or, in this case, the “not”
Why aluminum should replace cesium as the standard of time
The technique involved is neat: for some atoms you can find wavelengths where the AC Stark shift is the same for the two levels in the clock transition, so the atom is unperturbed by the presence of the trapping light. [...]