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.
Humanoid robot. Many of da Vinci's inventions were before his time, but his designs for a humanoid robot were truly futuristic. Under the patronage of Sforza, da Vinci invented a robotic knight that could wave its arms, move its neck, and even open and close its mouth.ost people know da Vinci as the man behind the  Mona Lisa , The Last Supper and other great works of art. But what's often skipped over in history class is the fact that da Vinci also had a more militant side.