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The power of vacuum is something that most people are already familiar with thanks to the modern cleaning appliance that makes picking up stray bits of dirt and dust so easy. There are everyday uses of vacuum that we barely notice. Every time you hang something up on a hook attached to a tile on the wall or affix your in-car navigation unit to the ..

The humble suction cup, otherwise known as a sucker, was in use as early as 300 BC, as a medical implement. Gourds were used as suction devices to pull "bad blood" out of people suffering from illness or disease. While the medical efficacy of this may be in doubt, the fact that these were functioning suction cups is not. Over the years, suction cup..