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The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object.
Extra dimensions of space — the idea that we are immersed in hyperspace — may be key to explaining the fundamental nature of the universe. Relativity introduced time as the fourth dimension, and Einstein’s subsequent work envisioned more dimensions still — but ultimately hit a dead end. Modern research has advanced the subject in ways he couldn’t have imagined. John Hockenberry joins Brian Greene, Lawrence Krauss, and other leading thinkers on a visual tour through wondrous spatial realms that may lie beyond the ones we experience.
World Science Festival • 2015 • Physics
What is Energy? The short answer is EVERYTHING. But what does that mean? Let SciShow explain.
Planet Earth grows to outlandish proportions that causes lying down to become the new standing up, the sun gets big ideas giving us a 20,000-year winter before blowing up in the biggest explosion since the big bang, we meet a dog the size of a dinosaur and Joe himself turns into a 49ft giant.
1/2 • Size Matters • 2019 • Physics
Let’s talk about the best evidence we have that the theories of quantum physics truly represent the underlying workings of reality.
PBS Space Time • 2018 • Physics