Einstein CentennialExplainer
Is the Universe Truly Random?
A rolled die is unpredictable but not mysterious. Quantum events may be different. Here is where science draws the line, and where the debate begins.
TOPIC
Quantum mechanics.
Stories tagged #Quantum mechanics
Einstein CentennialExplainer
How Scientists Tested Einstein’s Hunch
Einstein suspected quantum physics was hiding something. John Bell found a way to check, and decades of experiments gave a clear answer, with limits.
Einstein CentennialExplainer
What Is Quantum Entanglement, and Why Did Einstein Call It Spooky?
Two particles can share one quantum state, even far apart. Here is what that means, why Einstein distrusted it, and why it still cannot carry a message.
Einstein CentennialExplainer
Einstein vs. Bohr: The Debate Over What Quantum Physics Says Is Real
Einstein and Bohr agreed that quantum mechanics works, but they spent decades arguing about what it tells us is real, and the argument still echoes today.
Einstein CentennialFeature
The Dice Letter at 100: How One Sentence Shaped a Century of Physics
A century ago, Einstein told Max Born that "the Old One" does not throw dice, starting an argument that reshaped physics and is still not finished.
The UniverseExplainer
What Is a Black Hole, Really?
Not really holes and not cosmic vacuum cleaners, black holes are places where matter is packed so tightly that not even light can climb back out.
God & BeliefExplainer
What Did Einstein Mean When He Said God Does Not Play Dice?
A century after Einstein wrote to Max Born, the famous line is still a useful doorway into what quantum physics can—and cannot—tell us.