Cosmic Dad | Author on Instagram: "Day 68: String Theory Quantum physics proposes something radical: nothing you see is actually solid. At the most fundamental level, reality isn’t made of particles or matter. It’s made of energy vibrating at different frequencies. String theory suggests that microscopic energy strings form the foundation of everything. The frequency at which these strings vibrate determines what they become - whether that’s a photon, an electron, or the atoms that make up your