Summarize each of the inventions you studied this week and how they impacted history. Also, explain the most interesting thing you learned this week, and why.

Mercury Barometer is something that can tell the weather. Evangelista Torricelli invented the Mercury Barometer. If you think about it sometimes you look on your phone or tablet to see the weather the Mercury Barometer is used for that to.

Vacuum pump is really a vacuum that is a pump pretty self-explanatory. The Vacuum pump is sometimes used to pump water. The vacuum is sort of like the vacuum pump.