We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet.
Stephen HawkingRead
The cyclic universe theory predicts no gravitational waves from the early universe.
Interpretation
What this quote means
The quote suggests that the cyclic universe theory implies the absence of certain cosmic phenomena, specifically gravitational waves, in the early universe.
In this quote, Stephen Hawking discusses a key aspect of the cyclic universe theory, which posits that the universe undergoes endless cycles of expansion and contraction. According to this theory, the conditions in the early universe differ from those predicted by other models, particularly in relation to gravitational waves, indicating that certain physical phenomena may not have occurred during its formative stages.
Themes
Cyclic UniverseGravitational WavesPhysicsCosmology
In practice
Example use cases
In a lecture on cosmology, you might use this quote to illustrate the differences between various theories of the universe.
More from Stephen Hawking
All quotes βI regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers; that is a fairy story for people afraid of the dark.
Stephen HawkingRead
It surprises me how disinterested we are today about things like physics, space, the universe and philosophy of our existence, our purpose, our final destination. Its a crazy world out there. Be curious.
Stephen HawkingRead
I was not a good student. I did not spend much time at college; I was too busy enjoying myself.
Stephen HawkingRead
The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic but technological-technologies that flowed directly from advances in basic science. Clearly, no scientist better represents those advances than Albert Einstein: TIME's Person of the Century.
Stephen HawkingRead
In my opinion, there is no aspect of reality beyond the reach of the human mind.
Stephen HawkingRead
Similar quotes
The central idea of string theory is quite straightforward. If you examine any piece of matter ever more finely, at first you'll find molecules, atoms, sub-atomic particles. Probe the smaller particles, you'll find something else, a tiny vibrating filament of energy, a little tiny vibrating string.
Brian GreeneRead
We will first understand how simple the universe is when we recognize how strange it is.
John Archibald WheelerRead
We should be ready to reach out beyond our planet and beyond our solar system to find out what is really going on out there.
Edgar MitchellRead
Let's not spend resources that we don't need to be sending astronauts back to the moon. Let's not spend expensive resources on bringing people who have reached Mars back again. Prepare them to become a growing colony.
Buzz AldrinRead
A scientist is as weak and human as any man, but the pursuit of science may ennoble him even against his will.
Isaac AsimovRead
To set foot on the soil of the asteroids, to lift by hand a rock from the Moon, to observe Mars from a distance of several tens of kilometers, to land on its satellite or even on its surface, what can be more fantastic? From the moment of using rocket devices a new great era will begin in astronomy: the epoch of the more intensive study of the firmament.
Konstantin TsiolkovskyRead