Science Saturday Open Thread

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A couple thousand years ago a king named Hiero II commissioned a goldsmith to make him a crown of gold, as kings are wont to do. But there was a problem, Hiero II suspected that the goldsmith had cheated him by replacing some of the gold with an equal weight of silver.

Normally this would be easy to figure out, since you could just break the crown open and see. But this crown was a holy object and destroying it would anger the gods, so that wasn’t an option.

Hiero II took this problem to Archimedes to solve. Archimedes was a pretty smart dude, but could this problem be too difficult for even him to solve?

While thinking about this problem Archimedes decided to take a bath, presumably making sure to bring along his rubber duck and body cleaning stick thing.

Archimedes solving the Golden Crown problem, 225 BC.

As he entered the bath he noticed the water level rising and suddenly knew the answer. He suddenly jumped out of the tub and ran through the streets naked screaming “Eureka” (this is an actual part of the story).

What was the solution? While the silver had the same weight as the gold it replaced, silver is much less dense than gold, so would require more volume than the equal weight of gold.

Archimedes discovered that when you place an object in water, the water level rises according to the volume of the object. If he put the crown in a tub of water and it rose too much, that would mean the goldsmith cheated the king.

According to the story, the crown ended up having silver in it, and the king presumably punished the goldsmith who had cheated him.

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BleedingRedAndGoldSuddenpompanoKC Dude (A.K.A Zif)Leaf Recent comment authors
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KC Dude (A.K.A Zif)
pompano
pompano

So why did Midas’ daughter remain full sized after transmogrification?

zulu trader
zulu trader

bitch wouldn’t stop eating

Dog Human Eating GIF by Testing 1, 2, 3 - Find & Share on GIPHY

pompano
pompano

comment image

KC Dude (A.K.A Zif)

For those of service folks.

Sudden
Sudden

Will this channel be hosting our game tonight?

KC Dude (A.K.A Zif)

They usually don’t post until about 15 before game start.

Team Player
Team Player

This is like BMI part II

zulu trader
zulu trader

yeah but, what does the Bible say about it?

Leviticus 19:11
“You shall not steal; you shall not deal falsely; you shall not lie to one another”

zulu trader
zulu trader

Probably, good advice! . . . Hey Tony, is this the last Sci Sat?

zulu trader
zulu trader

The Bible GIF - Find & Share on GIPHY

Leaf
Leaf

I don’t know. Let’s throw one into water and see how much water it displaces.

zulu trader
zulu trader

this is what happens!

Happy Namie Amuro GIF - Find & Share on GIPHY

Leaf
Leaf

Zulu getting up votes and me down votes?

comment image

zulu trader
zulu trader

Psalm 41:9
Even my close friend in whom I trusted, who ate my bread, has lifted his heel against me.

zulu trader
zulu trader

Hey Leaf maybe had you read^^ this ^^^ first you wouldn’t be surprised

Sudden
Sudden

comment image

pompano
pompano

After seeing incontinent I can’t help but hear this as the list of possible side effects in a drug commercial…

Sudden
Sudden

Appropriate considering that modernity is like a drug that causes much of what 2 Timothy 3 is describing.

“We live in a world where there is more and more information and less and less meaning” -Jean Baudrillard

zulu trader
zulu trader

Sudden, you are the Man!

pompano
pompano

I don’t disagree but weren’t all the things Tim described also present in antiquity?

zulu trader
zulu trader

Yes, those things were present. BUT Jesus was not born yet. “Tim” is referring to a time after Jesus was born and as a result we now have the power to overcome the”DEVIL” and the opportunity for salvation. – or in other words, The New Testament

BleedingRedAndGold

Actually, that was Paul/Saul’s letter to Timothy, not the other way around. One of the problems folks have when it comes to interpreting Paul’s epistles is that there’s a fair amount of advice that was specific to the person/group the letter was written to, and another is (IMO) that his writings are taken as the literal Word of God coming forth from Paul’s pen.

Paul was a smart SOB, but he was cranky at times and had some personal biases that got into his letters. A lot of his advice is still good, but the letters are apt to mislead the unwary. IMO.

zulu trader
zulu trader

Right again, BRaG

tadream0
tadream0

Another good one! I have actually used this as a lesson when I have taught my students in preparing them for the ACT – not that it involved weighing gold, but about the displacement procedure. (There is a question on the ACT prep that uses an example similar to this.) Thanks for being smarter than most of us and trying to bring us up a level or two.