Wolfram Alpha also makes it extremely easy to convert between units:
From there, all kinds of useful calculations can take place, letting you really explore the breadth of human knowledge.
We hope you'll enjoy this thing as much as we have! If you manage to compute any amazing knowledge of your own, feel free to send it to email@example.com so we can all get some more cheap laughs at science beyond our understanding.
TOTAL WRECK - crazy-eyed hound is covered in cobwebs, has a vespiary on back, graffiti on side and savage thirst for boat fuel. Frankly, I'm in over my head. He's in room 115 at Motel 6, yours free. 555-2851
Yes, it's the perfect form for surviving a car crash. But it's also the perfect form for so much more, like surviving the trauma of reading any news headline in 2016.
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