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.
(yÄn'zÉn) German physicist who, with Maria Goeppert-Mayer, developed a model of the atomic nucleus that explained why certain nuclei were stable and had an unusual number of stable isotopes. For this work, Jensen and Goeppert-Mayer shared the 1963 Nobel Prize for physics with American physicist Eugene Wigner.