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.
Konrad Zuse earned the semiofficial title of inventor of the modern computer for his series of automatic calculators, which he invented to help him with his lengthy engineering calculations.aper was in short supply in Germany during the war. According to The Life and Work of Konrad Zuse (by Horst Zuse). The block structure of the Z3 is very similar to a modern computer.