Lcross took pictures of the impact, which threw up clouds of lunar debris. 2009 China's first lunar probe, Chang'e 1, named after a goddess who flies to the moon, was steered into the lunar surface at the end of its mission. Future probes will aim for a soft landing. Topics
Slipper clutch also known as slider clutch is a special clutch which is in most high end performance motorcycles. What the clutch essentially does is it considerably reduces the effects of engine braking when the rider downshifts too quickly.
Dog clutch. A dog clutch is a type of clutch that couples two rotating shafts or other rotating components not by friction but by interference. The two parts of the clutch are designed such that one will push the other, causing both to rotate at the same speed and will never slip. Dog clutches are used where slip is undesirable and/or the clutch is not used to control torque. Without slippage, dog clutches are not affected by wear in the same way that friction clutches are.