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.
Velcro, which was invented by a Swiss Electrical Engineer George de Mestral, comprises two layers and when both these sides are hard-pressed together, they assist in fixing two surfaces. The thought to invent Velcro hits Mestralâs mind in the year 1941 after coming back from a hunting tour with his dog.elcro, which was invented by a Swiss Electrical Engineer George de Mestral, comprises two layers and when both these sides are hard-pressed together, they assist in fixing two surfaces. The thought to invent Velcro hits Mestralâs mind in the year 1941 after coming back from a hunting tour with his dog.