Caleb Scharf

“Our cosmic circumstances influence the way we see reality.”

— Caleb Scharf

“There are about 2.5 billion (10^9) seconds in a human lifetime.”

— Caleb Scharf

The majority of life on Earth is microbial

— Caleb Scharf

“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

“The most distant quasars exist in a very young universe, barely a billion years old.”

— Caleb Scharf

“1 Hundred Quadrillion Seconds (10 ^ 17) for light to travel from cosmic horizon to us.”

— Caleb Scharf

“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

“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…

— Caleb Scharf

“There are underlying principles at play in nature, from the fields, quanta, and forces of the universe to the ebb and flow…

— Caleb Scharf

“The gloriously bright daytime side of the Earth is therefore not just a pretty sight. It signals a relentless absorption of electromagnetic…

— Caleb Scharf

“In powers of ten, humans exist almost halfway between the inconceivably big and the unimaginably tiny, and the final plunge from 10^-19…

— Caleb Scharf

“With enough infalling matter, a spinning black hole can convert mass to energy with higher efficiency than even nuclear fusion. The most…

— Caleb Scharf

“Bose-Einstein Condensate - Cool objects such as helium atoms to nearly absolute zero and they can clump into a single quantum entity.…

— Caleb Scharf

“We've been around for the tiniest sliver of cosmic time, yet our science can already take us across sixty orders of magnitude…

— Caleb Scharf

“Some estimates, based on analyses of the known geometry of space-time, suggest that the "full" universe could extend at least 250 cosmic…

— Caleb Scharf

“If you were a hapless cosmic hitchhiker stranded between the stars of the Milky Way, your body would represent a concentration of…

— Caleb Scharf

“In animals, for example, there is an observed mathematical relationship between basal metabolic rate (how fast animals burn chemical energy while resting)…

— Caleb Scharf

“The idea of the existence of WIMPS fits with many cosmic measurements, including the inferred gravitational fields of galaxies and clusters of…

— Caleb Scharf

“We are accelerating and extending our minds through our computers and algorithms, through our medical prowess and our accumulated knowledge. These minds…

— Caleb Scharf

“On the daytime side of Earth, the solar radiation hitting the top fo the atmosphere deposits around 1,300 watts of power per…

— Caleb Scharf

“If I computed the total power of this radiation, it was a hundred times greater than the X-ray emission of a normal…

— Caleb Scharf

“In only five orders of magnitude, we reach the pocket-change of our local universe.”

— Caleb Scharf

“The lengrh of all human DNA on planet earth is 58 million light-years.”

— Caleb Scharf

“There are as many orders of magnitude in scale from here to a speck of dirt as from a speck of dirt…

— Caleb Scharf

“A typical hand contains 29 major joints, 123 ligaments, 34 muscles, 48 nerves, and 30 arteries.”

— Caleb Scharf

“These bubble-like cosmic voids can span scales of more than thirty million light-years (3 X 10^23 meters). In these regions the density…

— Caleb Scharf

“.1 millimeters (10 ^ -4 meters) is halfway between 10^-35 meters and 10^27 meters on a logarithmic scale: as large compared to…

— Caleb Scharf

“As a gas of normal matter pulls together-or, rather, falls together-it transforms gravitational potential energy into thermal energy. In other words, it…

— Caleb Scharf

Our existence in this place, this microscopic corner of the cosmos, is fleeting. With utter disregard for our wants and needs, nature…

— Caleb Scharf

“Out in our neck of the woods-26,000 light-years (2.5 X 10^20 meters) from the galactic center-stars follow orbital paths that take them…

— Caleb Scharf

“For example, add two identical balls of dough together, and the new radius of the combined ball is not twice what it…

— Caleb Scharf

To only call Wizards, Aliens, and Starships engaging would be a real understatement--it is a delightful, funny, and immensely interesting romp through…

— Caleb Scharf

“Normally, you exist at a scale where your body consists of a thousand trillion trillion atoms in an assembly ten billion times…

— Caleb Scharf

“At this scale what you actually sense is a space of possibilities, of ethereal electrostatic pushes and pulls. The closest comparison we…

— Caleb Scharf

“The innards of that proton are far more messy and inelegant than we might have expected. Although this composite object is experienced…

— Caleb Scharf

“Where carbon comes from in the universe is also a deep function of quantum physics. Like all the heavier elements, it us…

— Caleb Scharf