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.
In the 1400s Johannes Gutenberg of Germany invented a new method of printing. It used movable type-metal letters that could be arranged and rearranged to form words. It also used a machine called a press. His method was so good that very few improvements were made to it for 400 years afterward.