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Roman baths – water and cleanliness in ancient Rome

By |2018-04-24T23:29:10+00:00August 25th, 2017|Architecture, Romans|

The big cold swimming pool at the Baths of Caracalla in Rome. Roman people usually didn't have hot baths in their houses, because it was too hard to heat up the water. And people who lived in cities had to live in small apartments, often a whole family in one room, and so they didn't [...]

Weight machines – Pulley project – Physics

By |2018-05-31T11:49:14+00:00August 16th, 2017|Physics|

Weight machines involve lots of pulleys An exercise machine is a great example of a pulley system. If you can get to a gym or a community center that has weight-lifting machines, check out the pulley system on the machine. What is the mechanical advantage? Why are they using pulleys? More about pulleys [...]