A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element.The advantage of a pendulum for timekeeping is that it is a harmonic oscillator; it swings back and forth in a precise time interval dependent on its length, and resists swinging at other rates. pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element.
S.B. 362: Senate bill introduced by Sen. Boley that repeals Common Core, blocks data sharing requirements, and calls for new standards to be created for the state by 2018. The bill was introduced on January 29, 2015, and referred to the Senate Education Committee.
In 1975, Ed Roberts coined the term personal computer when he introduced the Altair 8800. Although the first personal computer is considered by many to be the KENBAK-1, which was first introduced for $750 in 1971.he first laptop or portable computer. The IBM 5100 is the first portable computer, which was released on September 1975. The computer weighed 55 pounds and had a five inch CRT display, tape drive, 1.9MHz PALM processor, and 64KB of RAM.