Week 23 Inventions

I learned about three inventions this week: the Mercury Barometer, the Vacuum Pump, and the Pendulum Clock. The first invention I learned about is the Mercury Barometer. The Mercury Barometer is an instrument that measures atmospheric pressure.  It impacted history because it helped invent electricity. The next invention I learned about is the Vacuum Pump. Continue reading “Week 23 Inventions”

Week 20 Inventions

I learned about 3 inventions this week: the compound microscope, the newspaper, and the telescope. The first invention is the compound microscope.  The compound microscope is like a simple microscope.  The simple microscope has one lense, while the compound microscope has lots of lenses. The reason it has more lenses is because the more lensesContinue reading “Week 20 Inventions”

Week 18 Inventions

I learned about two inventions this week.  The Heliocentric theory, and the pencil.   The first invention is the Heliocentric theory.  The Heliocentric theory is the theory which the Earth and planets revolve around the Sun at the center of the Solar System.  It impacted history because the Heliocentric theory helped start the scientific revolution.Continue reading “Week 18 Inventions”

Week 17 Inventions and Inventors

I learned about two inventions and two inventors this week: the mariner’s astrolabe, double entry bookkeeping, Luca Paciolo, and Leonardo de Vinci.   The first invention is the mariner’s astrolabe.  The mariner’s astrolabe is an item that helps determine latitude by using the stars, which I think is really cool because I love outer space.Continue reading “Week 17 Inventions and Inventors”

Week 14 Inventions

I learned about three inventions this week: spectacles, mechanical clocks, and paper mills. The first invention is the spectacles.  The spectacles are two frames with lenses in them.  They impacted history because even after one’s eyesight becomes fuzzy one can still see with spectacles. The next invention is the mechanical clock.  The mechanical clock isContinue reading “Week 14 Inventions”

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