![Stephen Tuck on Twitter: "@skdh That's an easy one! Planck Units of Planck Length (on right) and Planck Mass (on the left; Wavelength) bound the Electromagnetic Spectrum. https://t.co/bTNNRJMnBW" / Twitter Stephen Tuck on Twitter: "@skdh That's an easy one! Planck Units of Planck Length (on right) and Planck Mass (on the left; Wavelength) bound the Electromagnetic Spectrum. https://t.co/bTNNRJMnBW" / Twitter](https://pbs.twimg.com/media/Dn83ij5U4AEPd9H.jpg)
Stephen Tuck on Twitter: "@skdh That's an easy one! Planck Units of Planck Length (on right) and Planck Mass (on the left; Wavelength) bound the Electromagnetic Spectrum. https://t.co/bTNNRJMnBW" / Twitter
![Planck Length: 10 (-35) meters. Planck Time: 5.4 x 10 (-44) seconds | Planck length, Quantum foam, Scale of the universe Planck Length: 10 (-35) meters. Planck Time: 5.4 x 10 (-44) seconds | Planck length, Quantum foam, Scale of the universe](https://i.pinimg.com/originals/48/37/dd/4837dd27e2158342752a331108d50ca4.jpg)
Planck Length: 10 (-35) meters. Planck Time: 5.4 x 10 (-44) seconds | Planck length, Quantum foam, Scale of the universe
![quantum gravity - What does the universe look like at the Planck length (in a drawing)? - Physics Stack Exchange quantum gravity - What does the universe look like at the Planck length (in a drawing)? - Physics Stack Exchange](https://i.stack.imgur.com/FMquz.jpg)