

“it would take much, much less energy to repair our world than for all of us to travel to another one.”
― StarTalk: Everything You Ever Need to Know About Space Travel, Sci-Fi, the Human Race, the Universe, and Beyond
― StarTalk: Everything You Ever Need to Know About Space Travel, Sci-Fi, the Human Race, the Universe, and Beyond

“And yes, every one of our body’s atoms is traceable to the big bang and to the thermonuclear furnaces within high-mass stars that exploded more than five billion years ago.”
― Astrophysics for People in a Hurry
― Astrophysics for People in a Hurry

“If the president on his visit to China had witnessed Chinese peasants eating from garbage cans, he almost certainly would have cited it as proof that communism doesn’t work. What does it prove when it happens in the capitalist success called America?’’52 OneofeveryfiveU.S.adultsisfunctionallyilliterate.Oneoffourinhabits”
― Democracy for the Few: Eighth Edition
― Democracy for the Few: Eighth Edition

“The prevailing opinion among historians, ancient and modern alike, is that the senatorial assassins were intent upon restoring republican liberties by doing away with a despotic usurper. This is the justification offered by the assassins themselves. I present an alternative explanation: The Senate aristocrats killed Caesar because they perceived him to be a popular leader who threatened their privileged interests.”
― The Assassination of Julius Caesar: A People's History of Ancient Rome
― The Assassination of Julius Caesar: A People's History of Ancient Rome

“Knowledge of physical laws can, in some cases, give you the confidence to confront surly people. A few years ago I was having a hot cocoa nightcap at a desert in Pasadena, California. Ordered it with whipped cream, of course. When it arrived at the table, I saw no trace of the stuff. After I told the waiter my cocoa had no whipped cream, he asserted I couldn't see it because it sank to the bottom. But whipped cream has low density, and floats on all liquids that humans consume. So I offered the waiter two possible explanations: either somebody forgot to add the whipped cream to my hot cocoa or the universal laws of physics were different in his restaurant. Unconvinced, he defiantly brought over a dollop of whipped cream to demonstrate his claim. After bobbing once or twice the whipped cream rose to the top, safely afloat.
What better proof do you need of the universality of physical law?”
― Astrophysics for People in a Hurry
What better proof do you need of the universality of physical law?”
― Astrophysics for People in a Hurry
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