How far is physics implimented? (Physics

[Dead-Inside]

I think you have to consider this in the context of what we already know about the gun. it makes heavy objects hover, this means reducing the effect of gravity, gravity is believed to be a very long wavelength form of electromagnetic radiation so theoretically it could be blocked. or alternatively new gravity waves could be formed to suspend the object, I found on t'nternet a thing about the hutchinsons effect (it actually mentions zero point energy!) : hutchinsons effect

"The Hutchison Effect occurs as the result of radio wave
interferences in a zone of spatial volume encompassed by high
voltage sources, usually a Van de Graff generator, and two or
more Tesla coils.
The effects produced include levitation of heavy objects,
fusion of dissimilar materials such as metal and wood...etc"

so - what we would need is a large van der graff generator or a tesla coil (these are not actually very similar to the red alert stereotype(if that is the right word)). Both need a good power supply and are noisy - (a tesla coil makes a similar noise to that made by the manipulator in hl2) luckily gordon has his HEV to powers the suit which probably has the added avantage of providing a faraday cage like protection from the static charges that would no doubt build up on the manipulator - maybe the latent charge could be used like a taser?

how to explain the orange light: the technology is a prototype so it is probably fairly inefficient in terms of the purity of gravity waves it produces, so it could be releasing some light as well as gravity waves.

I dont know how you would go about constructing gravity waves but I suppose interference of radiowaves might generate a pattern with an unusual wavelength. One possible problem is that gravity waves are weak waves and are only effective with large numbers, they also act over large distances, unlike electomagnetic forces, so the manipulator should be weak and able to pick stuff up from miles away.

but Dr Kliner has probably fixed this problem by concentration of the hutchinsons effect. the three prongs on the manipulator that open likely concentrate the effect, working as arials. However he never did solve the resonance cascade "problem"...

I think it is also interesting to note that in the context of science fiction (for this is the realm we are in) very few stories have the capacity to explain the physics of the science. for example in star trek there are "inertial dampeners" these stop the crew from being thrown into their seats every time the warp drive is activated, (if a person is accelerated at a maximum tolerance G force they would be unlikely to reach light speed within their lifetime!). similarly superman and Star Wars have similar scientific "issues"

There are a number of hypothesis that have not yet been aired over the unacceptably anomalous behaviour of your interpretation of the display of a series of shapes derived from an anonamously pre recorded store of electronic patterns composed in the interests of pure unadulterated entertainment but frankly on this basis it is not really that relavent to the purpose of the images

but to pick up on an earlier point - WTF! its only a game :E

AAAAAHHHHHHH! much better :rolling:

I dont get to talk absolute b******cks very often so forgive me

p.s. bit about fusion is interesting/coincidence, no?


edit: change to webpage - fixed link

Please, e-mail that (Edited and fixed errors etc) to VALVe, or Marc Laidlaw rather, and see what he has to say about it. He's the guy writing the theories. I'd like to see the response. Of course drop the last part (5 lines in total), they wouldn't fit in an e-mail to VALVe

The mass of the thing is reduced, so it gets a high velocity, but Gordon is still 85kg, pretty damn heavy, so he gets hit with a pretty small velocity backwards.

Is that heavy? I weigh 85 kg right now, and I'm not wearing a HEV...

Did you know: That scientist have levitated small animals and insects-arachnids, with large very strong magnetic fields?

I saw the video on the discovery channel myself. They were levitating a spider to study the reaction it would have extreme magnitism. I think the levels of magnitism they subjected the spider to would rip the iron out of our blood but it's still cool to see a floating spider.

I'm not surprised, magnetism (Electro-such even more so) is *much* stronger then gravity. If you jump from a building, gravity will pull you down, but when you hit the ground, electro-magnetism kicks in keeping you from going through it. -- I'd still like to see the video, I got a bit horny over that.

Regards
Dead-Inside

 

[Fender357]

its a frigging GAME!

Hold on....let me try.....



ITS A FRIGGING GAME!

I hate it when people come on here and try to sound smart because they know algebra.


If you were launched back by any heavy thing you shot from the Manipulator, it would get a little hard to use.

And anyway, the freakn' thing is defying our natural laws of phisics by lifting things the way it does.....why cant it shoot things without any major recoil to the user?

 

[Fender357]

I'm not surprised, magnetism (Electro-such even more so) is *much* stronger then gravity. If you jump from a building, gravity will pull you down, but when you hit the ground, electro-magnetism kicks in keeping you from going through it. -- I'd still like to see the video, I got a bit horny over that.

Better way to say the difference in strength is to think of a magnet.

If you've got a magnet and you drop it close enough to a fridge, the power of magnatism will over power gravity and stick that thing right to the fridge.
Gravity is a surprisingly weak force.

 

[Fender357]

Oh....and about levitating stuff. Like with Diamgnitism.

Check out these sites......

http://www.wondermagnet.com/main.shtml


This site shows you how to make a Rail Gun and a Gauss Rifle
http://scitoys.com/
This is the kind of levetation that you can just leave on your desk for months and have it stay like that.
http://scitoys.com/scitoys/scitoys/magnets/pyrolytic_graphite.html
And here is a superconductor levitation page.
http://www.wondermagnet.com/superconductor.html

 

[neopangaia]

wow.. EPSI said explained it so well.. so basically the new mass (post manipulator) of an object is so small that when it gets todssed, the recoil is equivalent to like the recoil of launching a spitball?

 

[MindCrafter]

I was just thinking how far the physics engine incorporates physics? I was just thinking about throwing objects in game (something we're obviously going to be doing a lot of). And with throwing objects one has to use conservation of momentum. For those who haven't studied physics, or didn't pay attension:

momentum = Mass*Velocity and conservation of momentum states Mass(1)*Velocity(1)= -Mass(2)*Velocity(2).

Therefore if we say threw an object of mass 20kg with a velocity of 9 M/S perpendicular to the normal the reactive momentum of the player would have to be 180 kg*m/s. Let's say that the mass of the player was 90kg (200lbs)And through algebra the thrower would have a velocity of 2 M/s backwards. At this point the player would have a KE of 180 joules. (1/2*mass*velocity^2). And would eventually come to a complete stop due to friction. Let's say that the Coefficient of friction between the object was .5.
Work = Force*Distance
Work = 180
Force = mass*g*coefficient of friction
Substitution:
180= 90*9.81*.5*Distance
Distance = 4/9.81 meters

It really doesn't seem like in the vids that Gordon shoots back half a meter when he shoot relatively heavy stuff with the manipulator.


and I just realized this was a really dorky thread

My brain really hurts after reading this.

 

[Alec_85]

It really doesn't seem like in the vids that Gordon shoots back half a meter when he shoot relatively heavy stuff with the manipulator.

Trust me. He/you does/do. People who has had a chance to play this game (you know how I mean) should know that. Not saying YOU should know or anything. People should just know. Aaw heck forget it...

 

[PatPwnt]

Trust me. He/you does/do. People who has had a chance to play this game (you know how I mean) should know that. Not saying YOU should know or anything. People should just know. Aaw heck forget it...

just tried it... you dont fly back. Did I just say I just tried?

 

[Alec_85]

I have a distict feeling that you do. Maybe not a 0.5 meters but a little. This might be because of the Hammer I know isn't built around standard measurements (the squares etc aren't measured in inches afaik). If the editor were to be rebuilt to acknowledge measurements such as meters, cm, dm etc it would be a different story?

Maybe it depends on what you throw? I suggest someone email Valve about this pronto

Edit: How come I can't edit my post above? Is it because someone already quoted it?

 

[Alec_85]

D'Oh. Serious screw-up here. Someone could delete THIS post if anyone finds that amusing

 

[Cole]

Im smarter than all of you!
IFP+D = Pie
(Ingredients For Pie + Directions = Pie).
Muahhaa!!

See heres my theory on how the minipulator works.
The minipulator creates a massive gravitation to an object pulling the object tword the minipulator, the minipulator holds this graviation to he object then when it's released the minipulator sends the gravity the other way, therefor pushing the object in the minipulator the other direction. The other attack of the minipulator i belive also deals with gravity. It sends a beam of gravity.

Now these gravitations are massive in strength but yet are only a small beam themselves.

This is my idea, ive not taken algebra but this is my theory and personally it think is a good theory. If you think its bad then i really dont care...becuz well i dont understand complicated stuff...

 

[clarky003]

I was just thinking how far the physics engine incorporates physics? I was just thinking about throwing objects in game (something we're obviously going to be doing a lot of). And with throwing objects one has to use conservation of momentum. For those who haven't studied physics, or didn't pay attension:

momentum = Mass*Velocity and conservation of momentum states Mass(1)*Velocity(1)= -Mass(2)*Velocity(2).

Therefore if we say threw an object of mass 20kg with a velocity of 9 M/S perpendicular to the normal the reactive momentum of the player would have to be 180 kg*m/s. Let's say that the mass of the player was 90kg (200lbs)And through algebra the thrower would have a velocity of 2 M/s backwards. At this point the player would have a KE of 180 joules. (1/2*mass*velocity^2). And would eventually come to a complete stop due to friction. Let's say that the Coefficient of friction between the object was .5.
Work = Force*Distance
Work = 180
Force = mass*g*coefficient of friction
Substitution:
180= 90*9.81*.5*Distance
Distance = 4/9.81 meters

It really doesn't seem like in the vids that Gordon shoots back half a meter when he shoot relatively heavy stuff with the manipulator.


and I just realized this was a really dorky thread

someone's been translating valve's source code

 

[Mechagodzilla]

if the kickback's kinetic energy were transfered to heat or absorbed somehow, it would explain the lack of recoil.

Frankly, it's not the most unbelievable thing in the game.

 

[Lobster]

its obviously a weapon/tool thats been in development, if they can harness the power of gravity and hold an object in the air, im sure they could work out how to counter balance the blast to stop the user flying backwards, such a thing would make the thing useless :O

 

[torso boy]

..seeing as Gordon is wearing a HEV suit, which is designed to protect the user from hazards (as well as enhance strength) it seems likely that the suit would counteract the force with friction and the enhanced strength, I also think it's safe to assume that the suit has some of way to dissipate impacts (which would absorb the force) to avoid damage on the user.

i think we have a winner!

 

[dream431ca]

Did you notice when gorden fires something from the manipulator, sparks fly from the manipulator indicating there is some sort of electrical discharge taking place??

 

[galoot3000]

just so you know, the manipulator does not exist, so VALVe doesnt have to worry about creating the physics on it because we never used one