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.
Static electricity from rubbing was known about by the Greeks but one of the first machines to mechanically create it is given in the reference. Otto von Guericke (1602-1686) who became famous for his Magdeburg vacuum experiments invented a first simple electrostatic generator.