The Planck Length Why String Theory is Hard to Test
The Planck Length Why String Theory is Hard to Test
The Planck scale is often described as the arena in which both quantum mechanical and gravitational effects come into play. The Planck length is tiny (compared to the sizes of everyday things) and the Planck mass is huge (compared to the mass/energy of elementary particles). In this episode of Your Daily Equation, join Brian Greene to understand where the Planck values come from.
