Short-term disability insurance, which is most often purchased as part of a group at work, can be paid by either the employer or the employee. Group short-term disability insurance policies are guaranteed issue, meaning you do not have to take a medical exam to buy coverage.
In 1650, Otto von Guericke invented the air pump, used to create a partial vacuum. Using hollow copper spheres and an air pump of his own construction, Guericke demonstrated that a partial vacuum could be created by pumping the air out of the sphere.
Otto von Guericke (1602â1686) Otto Gericke was born as son of a patrician family resident for three centuries in Magdeburg. Guericke family inherited extensive property both in the city and in the countryside around it. At the age of 15, he entered the Faculty of Arts at the Leipzig University.