1/7/2016. Unemployment Phone Number - I have called the unemployment of for 3 days now. I have called the unemployment of for 3 days now several times a day and its busy every time! Today I called 62 times and its busy every time.
The Barometer. Evangelista Torricelli became the first scientist to create a sustained vacuum and to discover the principle of a barometer. Torricelli realized that the variation of the height of the mercury from day to day was caused by changes in the atmospheric pressure.
In 1543, Nicolaus Copernicus published a new theory stating the earth revolves around the sun. This is known as the Copernican theory. This theory was considered a serious challenge to the Ptolemaic theory and the Roman Catholic Church. Copernicus died before he could prove his theory.