What is work? Physics definitions
Ancient Egyptian cattle plowing (Louvre Museum, Paris) You might think you know what work is, like homework, or having to pick up your room, right? But to scientists, work has [...]
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Greek slaves: What was it like to be a slave in ancient Greece?
Greek slaves: An enslaved woman playing a kithara. You can tell she is a slave because she has short hair. What did Greek slaves work at? In ancient Greece, most [...]
