Suction cups work by having less air pressure on one side than the other, thus forcing them against the surface they stick to. So, despite the fact that it seems like the suction cup is pulling on a surface, it is actual... More »

To fix a small dent using a suction cup car dent puller, clean the dented area properly, ensure the knobs are thoroughly loose, and apply the dent puller adhesive to the suction pads. Next, place the dent puller on the d... More » Vehicles Car Parts & Maintenance

Using a suction-cup dent puller involves pushing the dent puller into the middle of the dent, then pushing the handles together. After a few minutes, pull the dent puller using even pressure to pop out dents. More »

Suction cups stick better when the surface to which they are stuck and the suction cups themselves are clean and free from dirt. If necessary, wash the suction cups with warm, soapy water and pat them dry. Then, clean th... More »

A rotary vane vacuum pump works by using centrifugal force to turn blades against the circular surface of a cylinder whereby pockets of air are pushed from an inlet port to an outlet port as air pressure increases. Air p... More »

Some ideas for an egg drop experiment include packing the egg in cereal, suspending the egg over a box with panty hose and placing the egg within a stack of Styrofoam cups. All of these constructions allow the egg to fal... More »

A piston is a cylindrical plunger that moves within a metal cylinder through the four strokes of the engine cycle: intake, compression, power and exhaust. While their motion is predicated on other engine parts and the mi... More »