[High Praise! to Mental Floss]
How Do Scientists Measure the Speed of Light?
[Think you have a link that’s IMAO-worthy? Send it to harvolson@gmail.com. If I use your link, you will receive High Praise! (assuming you remember to put your name in the email)]

By height.
OPPO: “By height”?
WALRUSKKKCH: It was a pun.
OPPO: A pun?
WALRUSKKKCH: No; ah, what’s that other thing that starts with a “p”?
OPPO: A palindrome?
WALRUSKKKCH: That’s it.
OPPO: The palindrome of “speed of light” is “Thgilfod Eeps.” I’m not prepared to go on with this, as it is getting too silly.
Very quickly.
Intense scrutiny and rapid eye movement with an atomic stop watch. Only during daylight hours, of course!
Consulting the Warp Speedometer?
—
Simple, really. Just measure a parcel of energy, you see, and divide the number by the mass involved (m), and the result will be the jolly old speed of light squared. Find the square root and you’re home free.
Wait for Hillary’s team to invent a new rumor and start your stopwatch. Time how long it takes to be reported on NBC as a fact.
Usain Bolt starts running and then they turn on a flaslight and see who wins
1.21 Gigawatts!!!