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2. Cup-and-ball - Wikipedia

   en.wikipedia.org/wiki/Cup-and-ball

   Cup-and-ball (or ball in a cup) or ring and pin is a traditional children's toy. It is generally a wooden handle to which a small ball is attached by a string and that has one or two cups, or a spike , upon which the player tries to catch the ball.

3. Suction cup - Wikipedia

   en.wikipedia.org/wiki/Suction_cup

   The working face of the suction cup is made of elastic, flexible material and has a curved surface. [3] When the center of the suction cup is pressed against a flat, non-porous surface, the volume of the space between the suction cup and the flat surface is reduced, which causes the air or water between the cup and the surface to be expelled past the rim of the circular cup.

4. Self-sealing suction cup - Wikipedia

   en.wikipedia.org/wiki/Self-sealing_suction_cup

   The self-sealing suction cup is a suction cup that exerts a suction force only when it is in physical contact with an object. Unlike most other suction cups, it does not exert any suction force when it is not in contact with an object. [1] Its grasping ability is achieved entirely through passive means without the use of sensors, valves, or ...

5. Microsuction tape - Wikipedia

   en.wikipedia.org/wiki/Microsuction_tape

   For micro-suction tape, the necessary force is proportional to the attachment surface area. Compared to a suction cup, the force is smaller for the tape (assuming the same attachment surface area) because only a portion of the surface area contains craters that form vacuum chambers, and the maximal force factor is determined by this portion.

6. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

   www.aol.com/doctors-nighttime-behavior-sign...

   That goes double over the holidays, when everyone is stressed and overstimulated. But sundowning has some unique signs that make it stand out from just being tired. “Fatigue can occur at all ...

7. Is It Holiday Fatigue Or Covid-19? Here Are The Symptoms To ...

   www.aol.com/holiday-fatigue-covid-19-symptoms...

   If you're traveling for the holidays, you're probably feeling a bit worn-down—but is it just fatigue, or could it be COVID-19?. It’s probably been a minute since you last thought about COVID ...