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Sam Kean Quotes

Sam Kean quote from classy quote

Never underestimate spite as a motivator for genius.

~ Sam Kean

Sam Kean Genius Science Spite

The color of the emitted light depends on the relative heights of the starting and ending energy levels. A crash between closely spaced levels (such as two and one) releases a pulse of low-energy reddish light, while a crash between more widely spaced levels (say, five and two) releases high-energy purple light.

~ Sam Kean

Sam Kean Chemical Reactions Electron Shell Electrons Energy Light

Germans at the time believed, a little oddly, that dyes killed germs by turning the germs’ vital organs the wrong color.

~ Sam Kean

Sam Kean Germany Humorous Microbes Microbiology Oddity

For his part, Mendeleev scanned Lecoq de Boisbaudran’s data on gallium and told the experimentalist, with no justification, that he must have measured something wrong, because the density and weight of gallium differed from Mendeleev’s predictions. This betrays a flabbergasting amount of gall, but as science philosopher-historian Eric Scerri put it, Mendeleev always “was willing to bend nature to fit his grand philosophical scheme.” The only difference between Mendeleev and crackpottery is that Mendeleev was right: Lecoq de Boisbaudran soon retracted his data and published results that corroborated Mendeleev’s predictions.

~ Sam Kean

Sam Kean Dimitri Mendeleev Elements Gallium Humorous Lecoq De Boisbaudran Periodic Table

Today alpha equals 1/137.0359 or so. Regardless, its value makes the periodic table possible. It allows atoms to exist and also allows them to react with sufficient vigor to form compounds, since electrons neither roam too freely from their nuclei nor cling too closely. This just-right balance has led many scientists to conclude that the universe couldn’t have hit upon its fine structure constant by accident.

~ Sam Kean

Sam Kean Alpha Existence Fine Structure Constant Physics Universe

All the elements other than hydrogen and helium make up just 0.04 percent of the universe. Seen from this perspective, the periodic system appears to be rather insignificant. But the fact remains that we live on the earth… where the relative abundance of elements is quite different.

~ Sam Kean

Sam Kean Earth Elements Eric Scerri Universe

When you do the math and examine how much energy is produced per atomic union, you find that fusing anything to iron’s twenty-six protons costs energy. That means post-ferric fusion* does an energy-hungry star no good. Iron is the final peal of a star’s natural life.

~ Sam Kean

Sam Kean Atoms Elements Energy Iron Stars

This hinted at something that no one had ever suspected -- that the brain tracks moving things more easily that still things. We have a built-in bias toward detecting action. Why? Because it's probably more critical for animals to spot moving things (predators, prey, falling trees) than static things, which can wait. In fact, our vision is so biased toward movement that we don't technically see stationary objects at all. To see something stationary, our brains have to scribble our eyes subtly over its surface. Experiments have even proven that if you artificially stabilize an image on the retina with a combination of special contact lenses and microelectronics, the image will vanish.

~ Sam Kean

Sam Kean Bias Brain Illusion Neuro Neuroscience Optical Illusion Vision

Also unlike a planet, an electron—if excited by heat or light—can leap from its low-energy shell to an empty, high-energy shell. The electron cannot stay in the high-energy state for long, so it soon crashes back down. But this isn’t a simple back-and-forth motion, because as it crashes, the electron jettisons energy by emitting light.

~ Sam Kean

Sam Kean Atoms Chemical Reactions Electron Shell Electrons Energy

Yet they enjoy the high. In the surest sign that selenium actually makes them go mad, cattle grow addicted to locoweed despite its awful side effects and eat it to the exclusion of anything else. It’s animal meth.

~ Sam Kean

Sam Kean Addiction Interesting Locoweed Selenium

In these days before antiseptics, doctors themselves also suffered high mortality rates. Florence Nightingale, a nurse during the Crimean War (1853-1856), watched one particularly inept surgeon cut both himself and, somehow, a bystander while blundering about during an amputation. Both men contracted an infection and died, as did the patient. Nightingale commented that it was the only surgery she'd ever seen with 300 percent mortality.

~ Sam Kean

Sam Kean History Medicine Science

Unlike modern pills, these hard antimony pills didn’t dissolve in the intestines, and the pills were considered so valuable that people rooted through fecal matter to retrieve and reuse them. Some lucky families even passed down laxatives from father to son. Perhaps for this reason, antimony found heavy work as a medicine, although it’s actually toxic. Mozart probably died from taking too much to combat a severe fever.

~ Sam Kean

Sam Kean Antimony Laxatives Medicine Mozart

All we know for sure is that if some astronomer turned a telescope to a far-off star cluster tonight and found incontrovertible evidence of life, even microbial scavengers, it would be the most important discovery ever—proof that human beings are not so special after all. Except that we exist, too, and can understand and make such discoveries.

~ Sam Kean

Sam Kean Astronomy Discovery Extraterrestrial Life

There are a few elements - especially platinum and palladium - that have the amazing ability to absorb up to 900 times their own volume in hydrogen gas. To get a sense of the scale there, that's roughly equivalent to a 250-pound man swallowing something the size of a dozen African bull elephants and not gaining an inch on his waistline.

~ Sam Kean

Sam Kean Man Size Ability

Even fictional characters sometimes receive unwarranted medical opinions. Doctors have diagnosed Ebenezer Scrooge with OCD, Sherlock Holmes with autism, and Darth Vader with borderline personality disorder.

~ Sam Kean

Sam Kean Personality Opinions

Atoms consist of a positive nucleus and negative electrons flying around outside it. Electrons closest to the nucleus feel a strong negative-on-positive tug, and the bigger atoms get, the bigger the tug. In really big atoms, electrons whip around at speeds close to the speed of light.

~ Sam Kean

Sam Kean Light Strong Negative
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