Science! (1 Viewer)

bonnjer

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It's about time that we had a thread devoted to cool science news. I'm always seeing interesting articles about various science related news and I know I'm not seeing half of what's out there. Let's kick it off with this tough bug:

 

Optimus Prime

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....Hagfish produce slime the way humans produce opinions—readily, swiftly, defensively, and prodigiously. They slime when attacked or simply when stressed. On July 14, 2017, a truck full of hagfish overturned on an Oregon highway. The animals were destined for South Korea, where they are eaten as a delicacy, but instead, they were strewn across a stretch of Highway 101, covering the road (and at least one unfortunate car) in slime.

Typically, a hagfish will release less than a teaspoon of gunk from the 100 or so slime glands that line its flanks. And in less than half a second, that little amount will expand by 10,000 times—enough to fill a sizable bucket. Reach in, and every move of your hand will drag the water with it. “It doesn’t feel like much at first, as if a spider has built a web underwater,” says Douglas Fudge of Chapman University. But try to lift your hand out, and it’s as if the bucket’s contents are now attached to you.........



 
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"Computers have been made with silicon for over 40 years," Gang adds. "It took four decades to push the fabrication down to about 10 nm for planar structures and devices. Now we can make and assemble nanoobjects in a test tube in a couple of hours without expensive tools. Eight billion connections on a single lattice can now be orchestrated to self-assemble through nanoscale processes that we can engineer.
IDK if this is more exciting or terrifying.
 

Optimus Prime

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As much as half of the water in Earth’s oceans could be older than the Sun, a study has found.

By reconstructing conditions in the disk of gas and dust in which the Solar System formed, scientists have concluded that the Earth and other planets must have inherited much of their water from the cloud of gas from which the Sun was born 4.6 billion years ago, instead of forming later. The authors say that such interstellar water would also be included in the formation of most other stellar systems, and perhaps of other Earth-like planets.

The dense interstellar clouds of gas and dust where stars form contain abundant water, in the form of ice. When a star first lights up, it heats up the cloud around it and floods it with radiation, vaporizing the ice and breaking up some of the water molecules into oxygen and hydrogen.......

 

Optimus Prime

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as Carl Sagan said, we are all made of star stuff

and the sugar cube thing is mind blowing
===========================

.......About 99 percent of your body is made up of atoms of hydrogen, carbon, nitrogen and oxygen. You also contain much smaller amounts of the other elements that are essential for life.

While most of the cells in your body regenerate every seven to 15 years, many of the particles that make up those cells have actually existed for millions of millennia. The hydrogen atoms in you were produced in the big bang, and the carbon, nitrogen and oxygen atoms were made in burning stars. The very heavy elements in you were made in exploding stars.

The size of an atom is governed by the average location of its electrons. Nuclei are around 100,000 times smaller than the atoms they’re housed in. If the nucleus were the size of a peanut, the atom would be about the size of a baseball stadium. If we lost all the dead space inside our atoms, we would each be able to fit into a particle of lead dust, and the entire human race would fit into the volume of a sugar cube...........

 
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Optimus Prime

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CAPE CANAVERAL, Fla. (AP) — A piece of the Wright brothers’ first airplane is on Mars.

NASA’s experimental Martian helicopter holds a small swatch of fabric from the 1903 Wright Flyer, the space agency revealed Tuesday. The helicopter, named Ingenuity, hitched a ride to the red planet with the Perseverance rover, arriving last month.

Ingenuity will attempt the first powered, controlled flight on another planet no sooner than April 8. It will mark a “Wright brothers’ moment,” noted Bobby Braun, director for planetary science at NASA’s Jet Propulsion Laboratory.

The Carillon Historical Park in Dayton, Ohio, the Wrights’ hometown, donated the postage-size piece of muslin from the plane’s bottom left wing, at NASA’s request.........

 

Optimus Prime

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This is the way.
I'm tempted after reading an investment article which talks about the financials on fossil based power companies to short them. Seems they are calculated by models as having 85% utilization which impacts how cheap they can produce power all the way to 2040. However this just underscores that model is very flawed as this will continue to drive that number lower. Iirc, it was already down around 50% and expected 35% by 2030.

Think I posted it in the investment thread.
 

faceman

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This is the way.
I'd have no problem living next door to a modern nuclear power plant. Modern reactors cannot melt down. The panacea is fusion though. It won't happen in my lifetime,but that's really the way to go
 

Madmarsha

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Dr Shanna Swan writes that humanity is facing an "existential crisis" in fertility rates as a result of phthalates, a chemical used when manufacturing plastics that impacts the hormone-producing endocrine system.

As a result of this pollution, a growing number of babies are being born with small penises, Dr Swan writes.............

Human penises are shrinking because of pollution, warns scientist | Science & Tech News | Sky News
Scientific proof that size matters.
 
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Drawing from a broad range of scientific disciplines, this paper provides a structured overview of personal data that can be inferred from recorded eye activities. Our analysis of the literature shows that eye tracking data may implicitly contain information about a user’s biometric identity, gender, age, ethnicity, body weight, personality traits, drug consumption habits, emotional state, skills and abilities, fears, interests, and sexual preferences. Certain eye tracking measures may even reveal specific cognitive processes and can be used to diagnose various physical and mental health conditions.
 

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