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.
Otto von Guericke: Father of Vacuums. Otto von Guericke was a German scientist born in the town of Magdeburg, Germany. He is best remembered for founding the physics of vacuums. In 1650, Otto invented a vacuum pump that was designed to pull air out of whatever vessel to which it was connected. It contained a piston and an air-gun cylinder with one-way flap valves.
Otto Von Guericke life and biography. Otto Von Guericke biography. Otto von Guericke is a German physicist, engineer and natural philosopher who built the first machine to create an electric spark. He used this electrical generator for many experiments with electricity, he was the first man to view electroluminescence.