Opinion
Boing Boing on MSNOpinion
How subtraction, not addition, may have been the secret to Egypt's pyramids
Every few years, someone comes up with a new "this is how the pyramids were built" theory. In addition to aliens or long-forgotten super technologies, many theories rely on unfeasible ramps that'd ...
Math problems aren’t always easy to figure out. They require practice and experience to master, especially if you don’t have much time to spend learning. These seemingly simple numbers and equations ...
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