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Q: What makes a card stay up when you turn a glass upside down?
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How does water not spill out when glass covered with card board upside down?

When filling a cup/glass with full water the card/lid will not stay up.


Why are reflections upside down in a glass of water?

because the spoon is concave, making the reflection upside down


How many ways can you turn a glass of water upside down without spilling the water?

freez the water. after freezing it will be ice then you can turn a glass of water upside down without spilling the water.


How do you do the card trick where you spell out the persons card that they chose?

If you are referring to the traditional trick, you would pick a card from the deck, then, when you are not looking, they turn flip the deck upside down (if the back is 1 side up but the front is correct up or down) then, when they open their eyes, they look for the one that is upside down and that's your card. If you are referring to a game on a website where it makes the card disappear, the ones they show you at the end are not even any of the ones shown in the beginning.


Why does the water inside the glass covered with paper does not spill when you turn the glass upside down?

because it's in your mum


Why the cardboard placed over a glass with some water do not fall when turned upside down?

Because when you turn it upside down, the surface tension of the full glass of liquid, combined with atmopheric pressure provides just enough force to out-do gravity !


What is the custom of turning a glass upside down on the table?

Can you be more specific as to who does this?If you mean glasses already on the table when you are seated in restaurants, having them upside down keeps dust from falling into the glass and allows them to drain if they weren't QUITE dry when placed there.


Why do words go upsidedown when looking through glass a glass rod?

The rod creates a prism so you see the words upside down.


Why does your Pokemon card have an upside down Poke-ball?

its a special code that you access online


If you turned greenhouse glass upside down would there be the same effect?

The orientation of the sheets of glass in a greenhouse (top to bottom, inside to outside) do not change its function.


Are your eyes like a magnifying glass?

no noy rely but they r programed to c ery thin upside down


How do you dissolve glue from under a glass bowl?

Lay it upside down and rub it firmly with acetone on a rough rag.