Competitive Service versus Excepted Service Positions. There are two types of non-executive positions in the federal government: 1) those that are in the competitive service, and 2) those that are in the excepted service. Competitive Service â Competitive service positions are subject to the civil service laws passed by Congress.
Post to Facebook. Kevlar inventor Stephanie Kwolek dies at 90 Stephanie Kwolek, the DuPont scientist whose invention, Kevlar, has saved countless lives as the essential ingredient in body armor, has died. Kwolek, of the Sharpley neighborhood in Talleyville, died Wednesday following a brief illness, said her friend, Rita Vasta, who is handling Kwolek's affairs. She was 90.
Jack Kilby's Other Inventions. Jack Kilby has been awarded more than sixty patents for his inventions. Using the integrated circuit, Jack Kilby designed and co-invented the first pocket-sized calculator called the Pocketronic. He also invented the thermal printer that was used in portable data terminals. For many years Kilby was involved in the invention of solar powered devices.