I believe that gravity is just the name given to the fact that we don't float. And some people go way too far with conspiracy.
.... I'm so beyond mad about this comment, it is not even funny. Alright, I know this violates the forums rules of changing the subject, so forgive me, but as a person who has a love for physics and the universe itself I cannot let this statement go without factual educating.
Alright, to start off with, gravity is real. It is not a name, it is a law that binds and protects all living creatures on this planets from being sucked into outer orbit, suffocated, and suffocating us from outer space (which has no air) and freezing our corpses into semi cryogenic lifeless masses of matter.
To clarify, space has no air. It would be naturally and scientifically proven if gravity never existed, it would truly be an apocalypse.
Secondly, paper is light, yet it falls to the ground. Why? Gravity with a mixture of air resistance.
Third, nothing on this d*mn planet floats without the laws of physics making it do so. Take a Jet for example: if you turn of it's engine it will fall flat out of the sky. Why? Because the only thing that kept it in the air to begin with was thrust that has more force then gravity, causing it to stay a float. Even balloons are bound by gravity, to it's own extent. If you fill it with air, it will fall to the ground. If you fill it with helium however, it will float. Because helium is not air, it has a different chemical make up then regular air (or carbon dioxide if you filled the balloon using you're mouth), so naturally it will act different then it.
And before you say that air floats, no, it does not. Air and / or carbon dioxide never leaves this Earths atmosphere. It becomes thicker or thinner at certain altitudes but never leaves earth. How can this be? Gravity. Everything on Earth, Mars, Venus, Mercury, even the gas giants Jupiter, Neptune, and Saturn have gravity. It is because of gravity that Jupiter remains a sphere of gas. Nothing else keeps it together but gravity and the atmosphere it is contained in.
Now, back to the point I am making. How is gravity real? Well, for one, if you jump you will land back on the ground and if you throw a feather in the air it will land on the ground. Answer number one. Second Answer, all four states of matter (that's Liquids, Solids, Gases, and Plasma if you didn't know) is bound by gravity as well. And they make up everything in this beautiful world we live in. Answer number three, even space has gravity. How can you say that? Well, if you do some deep it is a very uncommonly known fact that space is not without gravity. It is just very light, and according to my calculations, there is approx. 0.034% gravity in space. If you google this you will see that there is indeed gravity in space. And Space is the beginning of all things. A bible or a physicist will tell you the same. So gravity, is in fact, as old as everything that exists.
Alright, now for theoretical work. I myself am doing scientific research into the cause of gravity in every planet. While I will not state the details of my theory, I will refer to it as "Wave Theorem". Wave Theorem, by many people, has been answering certain questions as to how gravity is caused withing planets and certain asteroids. One of the answers I have found is, AIR! Yeah, that thing you think that floats. Air increases the density of almost every mass out there, causing it to be effected by gravity. By air I generally mean oxygen but you get the gist. Outer Space has no air, meaning that almost no resistance is being made on a object. Air resistance is what you encounter first when you jump, then the effects of gravity. This nullifies the concept of thinking that air is not bound by gravity. And air is what makes things float. Doesn't it?
I can go on till the day I die about gravity. But be sure to tune in next time on Minova!