Hank explains absolute zero: -273.15 degrees Celsius - and the coldest place in the known universe may surprise you. A correction on our use of the phrase "degrees Kelvin" can be found in this video: www.youtube.com/watch?v=OA98hl7Q5dQ - beginning at 6:43. Like SciShow on Facebook: www.facebook.com/scishow Follow SciShow on Twitter: www.twitter.com/scishow References: Minimum zero point energy derived from uncertainty principle: hyperphysics.phy-astr.gsu.edu/hbase/quantum/hosc4.html#c1 scishow, science, absolute zero, heat, molecule, cold, kelvin, celsius, kinetic energy, thermodynamic, quantum mechanics, physics, minimal motion, heisenberg uncertainty principle, subatomic, superconductor, superconductivity, universe, space, boomerang nebula, laboratory, hank green