Cylinder-position sensors are used in pneumatic or hydraulic cylinders. They determine the home and end stroke of the piston head within the cylinder. The difficulty lies in detecting the position of ...

Unfortunately, they also leak, risk exploding or contaminating the environment, and change the amount of force they exert due to temperature fluctuations. A new approach, Magna-Lift magnetic springs ...

Many creatures in nature, including butterflies, newts and mole rats, use the Earth's inherent magnetic field lines and field intensity variations to determine their geographical position. A research ...