“The gloriously bright daytime side of the Earth is therefore not just a pretty sight. It signals a relentless absorption of electromagnetic radiation. Earth reflects, but it also acts like a giant sponge for photons that would otherwise streak off… — Caleb Scharf Copy Share Image
“On the daytime side of Earth, the solar radiation hitting the top fo the atmosphere deposits around 1,300 watts of power per square meter. That's about the same amount used by an electric kettle. It doesn't seem like a great… — Caleb Scharf Copy Share Image
“If you were a hapless cosmic hitchhiker stranded between the stars of the Milky Way, your body would represent a concentration of matter a… — Caleb Scharf Copy Share Image
“In powers of ten, humans exist almost halfway between the inconceivably big and the unimaginably tiny, and the final plunge from 10^-19 meters to… — Caleb Scharf Copy Share Image
“The most distant quasars exist in a very young universe, barely a billion years old.” — Caleb Scharf Copy Share Image
“We've been around for the tiniest sliver of cosmic time, yet our science can already take us across sixty orders of magnitude in scale.… — Caleb Scharf Copy Share Image
“There are underlying principles at play in nature, from the fields, quanta, and forces of the universe to the ebb and flow of complexity,… — Caleb Scharf Copy Share Image
“We are accelerating and extending our minds through our computers and algorithms, through our medical prowess and our accumulated knowledge. These minds of ours… — Caleb Scharf Copy Share Image
“Remarkably,on the journey from 10^27 meters to 10^23 meters, in just five factors of ten we transition down from the size of the observable… — Caleb Scharf Copy Share Image
“The gloriously bright daytime side of the Earth is therefore not just a pretty sight. It signals a relentless absorption of electromagnetic radiation. Earth… — Caleb Scharf Copy Share Image
“The length of all DNA in your body's cells is 74 billion kilometers (or 193,000 times the distance from the earth to the moon).” — Caleb Scharf Copy Share Image
“Our biological awareness seldom strays below a few millimeters or above a few kilometers. That is 6 orders of magnitude out of some 62.” — Caleb Scharf Copy Share Image
“With enough infalling matter, a spinning black hole can convert mass to energy with higher efficiency than even nuclear fusion. The most luminous cases… — Caleb Scharf Copy Share Image
