# Gravity Was the Problem All Along: Why Three Decades of Laser Propulsion Tests May Have Been Wrong - Date: 2026-04-15 - Category: Space & Aerospace A laser pushed on a piece of graphene foam in a lab and barely moved it. Then they did it in microgravity and the thing shot 30 times faster. The reason, researchers say: Earth’s gravity was hiding the real numbers from every lab on the planet. ---