Danae: So...theoretically, it should work, right?
Ned: The plausibility factor pretty much left the room with the notion of anyone letting you near a tank of helium...
In reality, of course, it wouldn’t work, because the helium would exit through the elephant’s ears.
However, in cartoon world, I hope the elephant doesn’t break wind. In which case, Danae is either going on a long trip somewhere or will have a “heavy” burden on her shoulders (and everywhere else).
Air weighs 1.2 ounces per cubic foot. A hephelant weighs 6 tonnes. Boring math skipped, you need 192,000 cubic feet of helium to lift a hephelant. That’s a sphere 70 feet in diameter. Hephelant skin is baggy and wrinkly, but not THAT stretchy! Poor hephelant would pop.
Good strip, and I enjoyed the comments. Not one political comment – even though there’s an elephant in the strip.
Like Ke Nguyen, I did the math. My numbers came out a little different, but the same ballpark. (We engineers are a boring lot.) Just remember, the elephant would have to be super-stretchy, because you can’t compress the helium too much. The more you compress it, the less lift it gives. Lycra elephants, anybody?
British/metric terminology, TheFinalSolution. (Appalling name and avatar, BTW.) As I recall, a tonne is a metric ton, 1,000 kilograms — 2,204 pounds, approximately 1.1 tons, US equivalent.
How about a whole battery of experiments on elephants. We could shoot one into outer space to study the effects of weightlessness on an elephant. Not for any purpose, I just think it would be cool.
“tcayer said,
On a serious note- Helium is NOT a toy! If you breath it from a balloon, it’s dilluted with air. But there was a boy filling balloons at a church fair who thought it would be funny to breath it from the tank. Being lighter than air, all his aveoli burst and he died.”
It wasn’t the helium itself that burst the alveoli, it was the fact that he was breathing directly from a pressurized air source. The same thing happens to people trying to get Nitrous Oxide directly from the tanks.
Never try to breath directly from a tank without a regulator or a mask that will release excess pressure.
A fun way to breathe helium is to put it in a large trash bag and hold it up with the bottom open. You can get 2 people to hold it open at the bottom and stick your heads inside it have a chipmunk conversation. If you start to get woozy remember to duck out and breathe real air. Plus launching trash bags is fun unless they fall in your yard.
JoeRaisin, you are correct - my classmates and I did that experiment in college, with a tank and a regulator. Talked funny until we got woozy, then switched back to ambient atmosphere for breathing.
Hot air is “lighter” than cold, makes balloons, politicians, and radicals “float like a butterfly”. Helium in place of nitrogen in dive tanks makes diving at depth “safer”, but replacing oxygen is a bad idea- in any atmosphere humans occupy.
Helium’s not dangerous, being inert. But it should be a lot more expensive, since the world supply will run out in a few years. Some say a helium-filled balloon should cost $200 to reflect the true value of the rare gas. Which would make that a very expensive helephant!
This article from late last year suggests that the “shortage” is not of helium in general, but of a relatively rare isotope called Helium-3 (He-3 is two protons/one neutron, vs “standard” He-4, which has two protons and two neutrons). He-3 is produced in nuclear reactors and is useful for specific applications in (according to the article) “cryogenics, medical diagnostics, oil and gas operations and nuclear radiation detection.” There is no suggestion that we are running out of “standard” He-4, which works just fine for inflating balloons.
Link to article:
http://www.physorg.com/news191248211.html
don’t do the garbage bag over the head thing, and don’t assume that because it is inert helium is not dangerous.
an ideal way to commit suicide is to take a large garbage bag and fill it with helium. place the bag over your head and seal around your neck.
helium is absorbed into the blood stream instead of oxygen. the co2 system that causes us to gasp for air is by passed. within 5 minutes you are singing with the choir invisible, and there is no panic, no desire to breath,
IIRC, Bucky Fuller postulated that a hollow steel sphere (490lb/ft^3) pumped down to a vacuum would float in air. Enough of these could be tethered to support floating cities.
With air at 1.2oz/ft^3, and given sea-level air pressure about 15lb/in^2, how thick would the shell have to be not to collapse, and how big would the enclosed space have to be for neutral bouyancy at sea level? How about at 5,000ft ASL?
The “Exit Bag” filled with Helium as a method of suicide was apparently first mentioned in Derek Humphry’s book Final Exit in 1991.
By 2007, Canadian press had reported that the combination of a bag and inert gas was becoming the most common form of suicide.
I’ve actually seen the chapter in the Final Exit DVD dealing with this (terminal family member contemplating this method) in the last two weeks, so the strip had a rather morbid association for me.
comicgos over 13 years ago
That elephant is going to have one squeaky voice!
GROG Premium Member over 13 years ago
Bot really, Dad, considering who can get their hands on weapons of mass destruction these days.
x_Tech over 13 years ago
Ah, Danae, did you tie off BOTH ends? If not have a nice trip.
pouncingtiger over 13 years ago
In reality, of course, it wouldn’t work, because the helium would exit through the elephant’s ears.
However, in cartoon world, I hope the elephant doesn’t break wind. In which case, Danae is either going on a long trip somewhere or will have a “heavy” burden on her shoulders (and everywhere else).
magentalady over 13 years ago
Something tells me that Danae might be the next generation of MythBuster. Sometimes she reminds me of Adam Savage.
snakeseare over 13 years ago
Air weighs 1.2 ounces per cubic foot. A hephelant weighs 6 tonnes. Boring math skipped, you need 192,000 cubic feet of helium to lift a hephelant. That’s a sphere 70 feet in diameter. Hephelant skin is baggy and wrinkly, but not THAT stretchy! Poor hephelant would pop.
bluenbham over 13 years ago
does anyone else feel that tension? there’s a gray elephant in the room…
Dual over 13 years ago
What a beautifully-constructed strip, in all ways.
Brockie over 13 years ago
Always making our day simply wonderful…what a creative mind.
twj0729 over 13 years ago
For a brief minute I thought the Ekert was back!
lewisbower over 13 years ago
Hey Danae, ever talk like Donald Duck?
But seriously folk, do not bring a helium balloon to the Post Office and ask them to weigh and mail it to Albuquerque.
llong65 over 13 years ago
but elephants do float……they can swim!
dtut over 13 years ago
Good strip, and I enjoyed the comments. Not one political comment – even though there’s an elephant in the strip.
Like Ke Nguyen, I did the math. My numbers came out a little different, but the same ballpark. (We engineers are a boring lot.) Just remember, the elephant would have to be super-stretchy, because you can’t compress the helium too much. The more you compress it, the less lift it gives. Lycra elephants, anybody?
steverinoCT over 13 years ago
How do you make an elephant float?
Take a glass of soda, two scoops of elephant…
TheFinalSolution over 13 years ago
I know what a hephelant is, but what is a tonnes?
Sandfan over 13 years ago
^ Ke Nguyen evidently is British educated.
peter0423 over 13 years ago
British/metric terminology, TheFinalSolution. (Appalling name and avatar, BTW.) As I recall, a tonne is a metric ton, 1,000 kilograms — 2,204 pounds, approximately 1.1 tons, US equivalent.
CedarCircle over 13 years ago
How about a whole battery of experiments on elephants. We could shoot one into outer space to study the effects of weightlessness on an elephant. Not for any purpose, I just think it would be cool.
JoeRaisin over 13 years ago
“tcayer said, On a serious note- Helium is NOT a toy! If you breath it from a balloon, it’s dilluted with air. But there was a boy filling balloons at a church fair who thought it would be funny to breath it from the tank. Being lighter than air, all his aveoli burst and he died.”
It wasn’t the helium itself that burst the alveoli, it was the fact that he was breathing directly from a pressurized air source. The same thing happens to people trying to get Nitrous Oxide directly from the tanks.
Never try to breath directly from a tank without a regulator or a mask that will release excess pressure.
Biltil Premium Member over 13 years ago
A fun way to breathe helium is to put it in a large trash bag and hold it up with the bottom open. You can get 2 people to hold it open at the bottom and stick your heads inside it have a chipmunk conversation. If you start to get woozy remember to duck out and breathe real air. Plus launching trash bags is fun unless they fall in your yard.
celeconecca over 13 years ago
Ah - the what if - that’s the best part!
Clevite Kid Premium Member over 13 years ago
JoeRaisin, you are correct - my classmates and I did that experiment in college, with a tank and a regulator. Talked funny until we got woozy, then switched back to ambient atmosphere for breathing.
Ermine Notyours over 13 years ago
Birdie, birdie in the sky, Why did you do that in my eye? Sure am glad that elephants can’t fly.
Can't Sleep over 13 years ago
Brilliant strip! Can you imagine the kind of parades we’d see if that was possible?
KE NGUYEN – a big thanks for the mathmatically challenged (like me)!
aerwalt over 13 years ago
Dumbo flew with birds. I hope he never…
Dtroutma over 13 years ago
Hot air is “lighter” than cold, makes balloons, politicians, and radicals “float like a butterfly”. Helium in place of nitrogen in dive tanks makes diving at depth “safer”, but replacing oxygen is a bad idea- in any atmosphere humans occupy.
thirdguy over 13 years ago
Remember this one? Why did the elephant sit on a marshmellow? To keep his feet out of the Hot Chocolate!!
Destiny23 over 13 years ago
Helium’s not dangerous, being inert. But it should be a lot more expensive, since the world supply will run out in a few years. Some say a helium-filled balloon should cost $200 to reflect the true value of the rare gas. Which would make that a very expensive helephant!
puddleglum1066 over 13 years ago
This article from late last year suggests that the “shortage” is not of helium in general, but of a relatively rare isotope called Helium-3 (He-3 is two protons/one neutron, vs “standard” He-4, which has two protons and two neutrons). He-3 is produced in nuclear reactors and is useful for specific applications in (according to the article) “cryogenics, medical diagnostics, oil and gas operations and nuclear radiation detection.” There is no suggestion that we are running out of “standard” He-4, which works just fine for inflating balloons.
Link to article: http://www.physorg.com/news191248211.html
jlerner Premium Member over 13 years ago
Everyone is ignoring the 12,000lb. elephant on the ceiling.
glenardis over 13 years ago
don’t do the garbage bag over the head thing, and don’t assume that because it is inert helium is not dangerous.
an ideal way to commit suicide is to take a large garbage bag and fill it with helium. place the bag over your head and seal around your neck.
helium is absorbed into the blood stream instead of oxygen. the co2 system that causes us to gasp for air is by passed. within 5 minutes you are singing with the choir invisible, and there is no panic, no desire to breath,
MobyD over 13 years ago
Amazing that I’ve read a fairly long string of comments in which a bunch of people don’t spell “breathe” correctly.
When you inhale and exhale, you don’t breath, you breathe.
pouncingtiger over 13 years ago
“Is that an Indian or African elephant?”
ilsapadu over 13 years ago
So many Non sequitur comments, so little time.
vldazzle over 13 years ago
I also thought she was trying to recreate the Ekert - but love it anyway!
JP Steve Premium Member over 13 years ago
Okay, okay! We’ll use hydrogen instead!
Rodney99 over 13 years ago
Oh! The Absurdity!!!
Joseph Krois over 13 years ago
Small ears…Indian.
Does PETA know about this? I mean really…
Heavenly sight… Readied for flight… So high in the sky… To float and to fly… But now a myth to debunk… The Hindenburg did NOT have a trunk…
pbarnrob over 13 years ago
IIRC, Bucky Fuller postulated that a hollow steel sphere (490lb/ft^3) pumped down to a vacuum would float in air. Enough of these could be tethered to support floating cities.
With air at 1.2oz/ft^3, and given sea-level air pressure about 15lb/in^2, how thick would the shell have to be not to collapse, and how big would the enclosed space have to be for neutral bouyancy at sea level? How about at 5,000ft ASL?
–Left as an exercise for the reader.
OakDragon over 13 years ago
The “Exit Bag” filled with Helium as a method of suicide was apparently first mentioned in Derek Humphry’s book Final Exit in 1991.
By 2007, Canadian press had reported that the combination of a bag and inert gas was becoming the most common form of suicide.
I’ve actually seen the chapter in the Final Exit DVD dealing with this (terminal family member contemplating this method) in the last two weeks, so the strip had a rather morbid association for me.
wittyvegan over 13 years ago
An elephant filled with mostly hot air? Please. They prefer to be called TeaParty.