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 Replies: 22 / Views: 7,331 |
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Pillar of the Community
United States
4233 Posts |
This reminds me of a bar trick I saw in the Netherlands. Fill two beer glasses with water, while submerged, put them lip to lip and carefully remove, standing them up so you have two full glasses sealed together, end to end. Bet someone that you can get a coin into the glass without spilling a drop. Carefully tap the top glass towards one side until there is a very tiny gap. The surface tension will keep the water inside still. Then you slowly slide one of those very tiny coins (I think it was a 1 Gulden) into the glass. With a lot of practice, it could be done without spilling any water.
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Bedrock of the Community
United States
20753 Posts |
Quote:
This reminds me of a bar trick I saw in the Netherlands. Oddly enough when at a bar, things like that are very impossible after a few Martini's. Even filling the glass with water could become a problem. |
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Pillar of the Community
United Kingdom
837 Posts |
That is a nice collection of aluminium coins you got there Nalaberong !  @ mysilveryears while what you say about the properties of aluminium & water is correct, I should add that aluminium when exposed to air quickly forms an oxide layer which kind of protects the metal on the inside , this oxide layer is not reactive when exposed to many substances hence I doubt water would do much harm to those coins. Those coins probably have an oxide layer on their surface or some kind unreactive compound on their surface otherwise they wouldnt have been released for circulation if they were as reactive as pure aluminium ! If those coins were on the surface of a strong acid the I would have been really worried  |
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Pillar of the Community
United States
1234 Posts |
I think it's hilarious, if I was not lazy I'd get my "pop can" coins out and have TONS of fun Edit: speaking of Hilarious I had seen a post a few days ago from just carl and he said you should only collect 1964 nickels so they would get out of circulation and the rest of us would not have to dig through them, or something like that I laughed like crazy, always do with his posts, but someone else asked why he was always so sarcastic... if anyone thinks it sarcastic they might be right but I still think just carl is just funny  , keep it up just Edited by ASLAN TVorlon
01/04/2014 10:11 pm
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Pillar of the Community
United States
4897 Posts |
Creates a whole new way to think about, "floating a loan."
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Pillar of the Community
United States
844 Posts |
ASLAN, I saw the same post! I laughed too! As far as the floating coins, nice! |
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Pillar of the Community
United States
1234 Posts |
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4. A real accomplishment would be to do this with Lead Coins. Find me a lead coin and hammer and I'll show you a lead coin floating on water, it's all about surface area, the ones with the holes might be floating higher due to the extra ridge plus they have a hole in them so it's not filled with anything but air. |
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Bedrock of the Community
United States
20753 Posts |
Quote:
Find me a lead coin and hammer and I'll show you a lead coin floating on water, Not sure what you mean. You don't know where to get a hammer? You plan on hitting the water with a hammer?  You never saw a Lead Coin? Not many of those around though. Guess we'll all stick to Aluminum. |
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Bedrock of the Community
United States
10045 Posts |
That's a nice fleet of coins! Quote:
Aluminum is a highly reactive metal.  But aluminum quickly develops a layer of Aluminum oxide when exposed to air, retarding much of continued corrosion. Should be ok in water for a short time--but I would not float an Al coin in mercury.  Edited by DVCollector
01/05/2014 6:02 pm
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Pillar of the Community
 Canada
2805 Posts |
I looked into the chemistry, and I don't think these coins are at too much risk.
One or two developed a hard-water stain (because I have really hard water), but that was where I hadn't dried them completely and let the water evaporate. Another rinse (and nothing more) got it off.
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Pillar of the Community
United States
1234 Posts |
TOO much FUN! ! !  figured the fish don't mind the water  10 Francs, not bad. I even dried them off after...  Ohhh I forgot my oriental stuff... I think I'm gonna like this new hobby. 
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Pillar of the Community
United States
655 Posts |
Sir Bedevere: There are ways of telling whether she is a witch.
Peasant 1: Are there? Oh well, tell us.
Sir Bedevere: Tell me. What do you do with witches?
Peasant 1: Burn them.
Sir Bedevere: And what do you burn, apart from witches?
Peasant 1: More witches.
Peasant 2: Wood.
Sir Bedevere: Good. Now, why do witches burn?
Peasant 3: ...because they're made of... wood?
Sir Bedevere: Good. So how do you tell whether she is made of wood?
Peasant 1: Build a bridge out of her.
Sir Bedevere: But can you not also build bridges out of stone?
Peasant 1: Oh yeah.
Sir Bedevere: Does wood sink in water?
Peasant 1: No, no, it floats!... It floats! Throw her into the pond!
Sir Bedevere: No, no. What else floats in water?
Peasant 1: Bread.
Peasant 2: Apples.
Peasant 3: Very small rocks.
Peasant 1: Cider.
Peasant 2: Gravy.
Peasant 3: Cherries.
Peasant 1: Mud.
Peasant 2: Churches.
Peasant 3: Lead! Lead!
King Arthur: An aluminum coin.
Sir Bedevere: ...Exactly. So, logically...
Peasant 1: If she weighed the same as an aluminum coin... she's made of wood.
Sir Bedevere: And therefore...
Peasant 2: ...A witch
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Bedrock of the Community
United States
10045 Posts |
Quote:
King Arthur: An aluminum coin.
Sir Bedevere: ...Exactly. So, logically...
Peasant 1: If she weighed the same as an aluminum coin... she's made of wood.
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Pillar of the Community
United States
1234 Posts |
I've got a popcorn bowl that is about 2 foot across got to wait until the water would not freeze because I'm not doing it inside and frozen water would not count! But I think I can get a few dozen floating on that one. Edit: just found this... Quote:
American Elements' AE Bullion™ group mints certified high purity Lead Coins from laboratory certified engineered materials with properties applicable to chemical vapor deposition LEAD COINS, now all I need is a hammer...  Edited by ASLAN TVorlon
01/06/2014 11:04 pm
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Bedrock of the Community
United States
10045 Posts |
I'm sure a lead coin would float if you made it thin enough. |
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Replies: 22 / Views: 7,331 |
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First Page
Posted 01/04/2014 7:37 pm
