Hello all. I am clueless when it comes to physics and I dont know where to place this thread so i'll just place it here. My question is: Is gravity just a force of nothing or can you actually take a sample of it. For example can you look through a microscope and see the atom or whatever it is, graviton? If this is possible is there any chance at all that there is a way to make that particual or atom or whatever it is negative. So instead of it pulling down, it just floats around doing nothing. I thing I dont understand is in space, people and objects float around because theres no gravity., but there must be gravity because the earth and planets are held in position by gravity. If anti gravity was possible what would that mean in terms of space travel? Sorry if its a dumb question but as I said im clueless. Thanks for reading.