Quads Knee Strengthening. These are the muscles at the front of the thigh that straighten the knee. Weak quads leads to increased pressure through the knee and knee cap. Knee strengthening exercises for the quads is one of the most effective ways to reduce knee pain.trengthens the quads but protects the knees. One of my all-time favourite knee strengthening exercises. Starting position: Stand with your back against the wall, feet apart, toes pointing forwards. Action: Slowly slide down the wall a few inches bending your knees.
History of Hydraulics - Joseph Bramah. Joseph Bramah (13 April 1748 â 9 December 1814), Wentworth, Yorkshire, England, was an inventor and locksmith. He is best known for having invented the hydraulic press. Along with William George Armstrong, he can be considered one of the two fathers of hydraulic engineering.
Alexander Miles. Alexander Miles was an African-American inventor who was best known for being awarded a patent for an automatically opening and closing elevator door design in 1887. Contrary to many sources, Miles was not the original inventor of this device. In 1874, 13 years before Miles' patent was awarded, John W. Meaker was awarded U.S. Patent 147,853 for the invention of the first automatic elevator door system.