Superhero Science: StarTalk Live! With Charles Liu

What It Covers

StarTalk explores the scientific principles behind superhero powers, examining quantum mechanics, thermodynamics, and relativity through characters like Superman, Ant-Man, and Doctor Manhattan with astrophysicist Charles Liu at Guildhall in East Hampton.

Key Questions Answered

• •Superman's Rescue Physics: When Superman catches a falling person at high speed, the impact force would kill them unless he possesses momentum absorption capabilities. The collision equals hitting concrete ground due to his steel-like composition, requiring an airbag-like energy dissipation mechanism to prevent the damsel from becoming a windshield bug.
• •Atomic Empty Space: Atoms consist of 99.9999999999999% empty space. The nucleus-to-atom ratio equals a crackerjack kernel in a stadium. All matter in the Hamptons compressed without empty space would fit in a fingernail. Electromagnetic force fields between particles prevent objects from passing through each other despite this vast emptiness.
• •Quantum Tunneling Mechanics: Particles occasionally pass through solid barriers when quantum fluctuations align correctly. The Flash exploits this by vibrating every molecule in his body to match the jigsaw puzzle arrangement needed to pass through walls. Quantum tunnel diodes using this principle existed in 1950s-1970s radio technology before becoming obsolete.
• •Wormhole vs Warp Drive: Wormholes require warping entire galaxies and massive energy, making them impractical for travel. Warp drive creates a bubble outside regular spacetime that moves faster than light while the ship remains stationary inside. Mexican physicist Miguel Alcubierre developed mathematical equations proving warp bubbles possible using Einstein's relativity.
• •Absolute Zero Limitations: Absolute zero (minus 459.16 degrees Fahrenheit) represents the theoretical minimum temperature where atomic motion stops. No refrigerator can reach this temperature physically. Space maintains three degrees above absolute zero from Big Bang radiation, which causes hydrogen atoms to emit 21-centimeter radio waves every ten to twenty million years.