Quiz
In the study of cosmic paradoxes, the 'black hole information loss dilemma' highlights a fundamental conflict between which two major theories of physics?
Chapter 1
Ancient riddles of motion and truth
Chapter 2
Mind-bending loops of mathematics and sets
Chapter 3
Physics and the mysteries of the cosmos
Chapter 4
Time travel and the rules of causality
Chapter 5
Everyday life and psychological traps
YOUR GOAL
Master of The world of paradoxes
Ch 3 · Physics and the mysteries of the cosmos
schopenhauer Cosmic Paradoxes
If space goes on forever, why is the night so dark? (Cosmic expansion left its mark, yeah!)
schopenhauer Einstein's theory of relativity shows how high-speed travel can make time pass slower for one twin.
schopenhauer The Fermi paradox highlights the baffling contradiction between the high probability of alien life and zero contact.
BETA
schopenhauer Match lost paradoxes with their historical solutions to discover how quantum physics breaks the rules.
Fun Fact
Fermi's lunch: The famous Fermi Paradox was born during a casual walk to lunch at the Los Alamos National Laboratory in New Mexico in 1950.
Glossary
fermi paradox (noun)
The apparent contradiction between the high probability of extraterrestrial civilizations and the lack of evidence for them. Enrico Fermi famously questioned the lack of alien contact during a 1950 lunch at Los Alamos.
The apparent contradiction between the high probability of extraterrestrial civilizations and the lack of evidence for them. Enrico Fermi famously questioned the lack of alien contact during a 1950 lunch at Los Alamos.
Quiz
In Erwin Schrödinger's famous 1935 quantum mechanics thought experiment, what animal is placed in the sealed box?
Quiz
Which physicist asked 'Where is everybody?' in 1950, sparking the paradox about alien civilizations?
Quiz
Which cosmological discovery resolved Olbers' Paradox by showing that the universe has a finite age and is expanding?
Quiz
Which physicist proposed in 1974 that black holes evaporate, creating the information loss paradox?
Quiz
Olbers' Paradox asks why which everyday phenomenon occurs if the universe is infinite and full of stars?
Quiz
In what year did Albert Einstein first formulate the principles of special relativity that led to the Twin Paradox?
Quiz
What quantum concept states that a particle can exist in multiple states simultaneously until it is measured?
Quiz
According to Einstein's Twin Paradox, what happens to the twin who travels through space at near-light speed?