Space Shuttle experiments grew crystals 15,000X more powerful than Earth-grown equivalents. Microgravity eliminates convection currents and sedimentation that disrupt crystal lattice formation on Earth. This enables near-perfect molecular alignment in protein crystals, semiconductors, and optical materials. The performance gap is massive because Earth's gravity constantly introduces defects during growth. Practical applications: ultra-pure pharmaceuticals, next-gen chips, and photonic components. The challenge remains scaling production beyond LEO experiments. Microgravity manufacturing could unlock material properties physically impossible to achieve planetside.