> nothing underpinning reality Gravity is a thing, and we can feel it under us. But we can’t touch it, or see it. Intuitively things that we can touch and se

> nothing underpinning reality Gravity is a thing, and we can feel it under us. But we can’t touch it, or see it. Intuitively things that we can touch and see should be qualitatively different, but this intuition is wrong. Turns out it’s just big weak fields like gravity, and small strong fields like electromagnetism.