The folks at
World Jump Day plan to shift the orbit of planet Earth in order to
"stop global warming, extend daytime hours and create a more homogenous climate." They'll achieve this by having 600 million people jump up in the air at the same time on July 20, 2006. And they're looking for jumpers! This, of course, recalls the old idea that "If all Chinese jumped at once, cataclysm would result." This has been debunked by
The Straight Dope, which points out that the force generated by one billion Chinese people jumping up in the air at the same time would only be equivalent to about 500 tons of TNT. In other words, not that much. However, I don't think the creators of World Jump Day intend for anyone to take their idea that seriously. The site is registered to a German artist, Torsten Lauschmann. According to his
web bio Lauschmann:
celebrates glitches, and out-takes, bits in between and images that might be easy to ignore. Lauschmann is currently on a Trans European busking tour under the guise of Slender Whiteman where he will launch his solar powered dub system. He lives and works in Glasgow. Lauschmann also appears to be a member of a German art group called Vene Hammerschlag, which
has also hosted World Jump Day on its site. In other words, World Jump Day appears to be some kind of art project hoax.
Comments
You would need to coordinate how many people jump in each place at each time in order to have the desired (infinitesimal) effect on the earth's orbit.
day 10 - sun looks a little bit bigger
day 100 - sun is really big today
day 200 - we killed the guy who propose jumping day. It is hot as hell.
day 300 - we killed all who jumped. Sun is going to kill the rest of us in a few days...
If you're ever in the neighborhood, stop by and I'll show you my Ptychochromis grandidieri and my Paratilapia bleekeri.
What do I win with more our per date? my biological time will be the same...
I will be 40 years old and I will look like
a 80 years old man.
Another point is that the moon is going to mantain it's orbit... this will generate a real
madness in the oceans. Cities near it will be covered by water.
However, I forgot that the original World Jump Day was about changing the orbit and not the rotation. Not that everyone jumping at the same time would do either, but it would be easier to change the rotation because of the energies involved.
Well, this bizarre idea came to me as one of those excentric ideas of the 19th century.
We really need to grab our math and physics manuals and remember some principles of classical mechanics, energy, etc. if we are willing to bother us with such nonsense.
An article will be published in Cosmos, http://cosmos.com.pt, with the theory and the pratical side of this so called "project". The values from "The Straight Dope" seem to me wrong, at the first glance - one must know what's mass, weight, velocity and Energy.
As for the day choosen, I must admit this, the guys behind this maniac project did their homework - that I can reveal for now.
I'm just waiting for their reply regarding an interview I requested - but I didn't receive anything ( and probably won't...I wonder why ? 😊
Let's wait and see.
Kind regards,
Rui Miguel Fernandes
2) It's a hoax - an online art project.
If there is no external force the center of mass of earth moves with constant speed in a stright line: in this case no internal force (like those from the jump)can change the motion of the centre of mass.
But this is not the case : here we are in presence of external forces.
My doubt is : can internal forces (and mass distribution variation) cause a change in external forces ? If yes the orbit could be changed in principle. Surely the rotation period of the earth can be changed by redistribution of mass !
Giuseppe
Well, I did waste sometime with the subject. Facts: specific angles are choosen for that date regarding each people in the world; the medium point regarding the longitudes makes exactly 90 degrees with the vector Earth-Sun ( they did their math and a complicated one, I must say ). It would be my choice for a stunt like this IF we had enough energy - which we don't. I made several scenarious, an none can move the Earth not even a millimeter - not even a thousandth of millimeter.
Now...as for the effects in the Earth's crust and in the tectonics plaques...there I don't know...You all experienced, I think, the trembling of your house because of a car that crosses your street or the floor trembling with the jump of one kid or one average grown up. The trembling is greater if it's in a hard surface - that is exactly what they ask...there, I must dig some more when I have the time.
Regards,
Ok so this won't help a bit, but what really needs to be moved are the people's MINDS not the earth's orbit. Now, this thing people will really remember, and the effect can only be beneficial.
Tore
You're all retarded! This thing is going to be sweet!
righto... fucken retards
I believe that it would cause some type of vibration, or more. But it won't stop Global Warming.
(5,972,000,000,000,000,000,000) metric tons
so if you think that the weight of all humans is significant think again its about
0,000000000004% of the earths mass...
600,000,000 x 50kg = 30,000,000,000kg (30,000,000 ton)
The
Second - mass doesn't matter - it's like lifting yourself by pulling your hair up .
(despite, all WJD believers could try it 😊 )
you guys are just trying to spoil the fun
w/e,
um im not so smart actually im like 15 🙄 and i found out about this world jump day becouse our cience teacher told us about it and i was thinking if all those ppl jump wouldn't that cause an earthquake or tsunami or something that might get things even worse :gulp: i mean damn! and ive seen some many immature replys like " man this is gonna rock" oe something like that and i though poor loose what if we DIE?!! lol well not so bad like were gonna die but maybe something bad coudls happen 😖
500 million people jumping at the same time is no different than one guy jumping 500 million times, so get busy!
Unfortunately, the Earth is going to smak you in the ass as hard as you kicked it in the face. Result: nothing.
Pretending though... You would jump at noon and give a solid duck at midnight, do this every day. Though the duck doesn't seem as convincing, it's about as effective.
BUT!!! If we all (all Earthlings) sat down at the same moment, the Earth would rotate faster. If we cut down all the trees and knocked all the buildings down at the same time the Earth would spin even faster! ...shortening the day by at least .000000005 seconds!
If we all stretched as tall as we could we could slow it down too!
'nuff fun... I'm finishing up my perpetual motion machine.