Forwarded from Cosmology and Quantum Mechanics (Muzamil Nazir Malik)
"You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement."
Marie Salomea Sklodowska Curie was a polish Physicist and chemist known for her research on Radioactivity. She is the first woman to win the Nobel Prize, the first person and only woman to win Two Nobel Prizes and the only person to win the Nobel prize in two different scientific fields.
This marks her genius.
This quote oh her " IN SCIENCE, WE MUST BE INTERESTED IN THINGS, NOT IN PERSONS." is personally my favourite quotes.
Marie Salomea Sklodowska Curie was a polish Physicist and chemist known for her research on Radioactivity. She is the first woman to win the Nobel Prize, the first person and only woman to win Two Nobel Prizes and the only person to win the Nobel prize in two different scientific fields.
This marks her genius.
This quote oh her " IN SCIENCE, WE MUST BE INTERESTED IN THINGS, NOT IN PERSONS." is personally my favourite quotes.
Forwarded from Cosmology and Quantum Mechanics (Muzamil Nazir Malik)
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Conservation of Momentum.
Forwarded from Cosmology and Quantum Mechanics (Muzamil Nazir Malik)
This short conversation between Michio Kaku and his mother may change your way of parenting:
When I was in high school, I went to my mom one day after school and said, "Mom, I want to build an you atom smasher. I want to build a 2.3 million electron-volt betatron in a garage."
And my mom sort of stared at me and said,
"Sure. Why not?"
To all the parents reading this, please don't crush our society by crushing the dreams of your children.
When I was in high school, I went to my mom one day after school and said, "Mom, I want to build an you atom smasher. I want to build a 2.3 million electron-volt betatron in a garage."
And my mom sort of stared at me and said,
"Sure. Why not?"
To all the parents reading this, please don't crush our society by crushing the dreams of your children.
Mercury is the smallest planet in the Solar System and the closest to the Sun. Its orbit around the Sun takes 87.97 Earth days, the shortest of all the Sun's planets. It is named after the Roman god Mercurius (Mercury), god of commerce, messenger of the gods, and mediator between gods and mortals, corresponding to the Greek god Hermes (Ἑρμῆς). Like Venus, Mercury orbits the Sun within Earth's orbit as an inferior planet, and its apparent distance from the Sun as viewed from Earth never exceeds 28°. This proximity to the Sun means the planet can only be seen near the western horizon after sunset or the eastern horizon before sunrise, usually in twilight. At this time, it may appear as a bright star-like object, but is more difficult to observe than Venus. From Earth, the planet telescopically displays the complete range of phases, similar to Venus and the Moon, which recurs over its synodic period of approximately 116 days.
Earth's orbit
🛰About 34,000 man-made objects larger than 10 cm, 900,000 objects from 1-10 cm, and more than 128 million debris smaller than 1 cm are in Earth's orbit.
Most space debris travels quite fast and can reach 29,000 km/h, nearly 7 times the speed of a bullet.
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🛰About 34,000 man-made objects larger than 10 cm, 900,000 objects from 1-10 cm, and more than 128 million debris smaller than 1 cm are in Earth's orbit.
Most space debris travels quite fast and can reach 29,000 km/h, nearly 7 times the speed of a bullet.
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The Dumbbell Nebula (also known as the Apple Core Nebula, Messier 27, and NGC 6853) is a planetary nebula (nebulosity surrounding a white dwarf) in the constellation Vulpecula, at a distance of about 1360 light-years. It was the first such nebula to be discovered, by Charles Messier in 1764. At its brightness of visual magnitude 7.5 and diameter of about 8 arcminutes, it is easily visible in binoculars and is a popular observing target in amateur telescopes.
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It revolves around two stars😱
✨Scientists have announced the discovery of the planet TIC 172900988b, which was discovered by NASA's TESS telescope.
📌The planet is equal in radius to Jupiter, but several times more massive than the gas giant. It makes a complete revolution around the stars in 200 days.
TIC 172900988b belongs to the class of circumbinary planets. Over the years, astronomers only speculated about the possibility of such bodies, but, thanks to new observational technology, this has become a reality.
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✨Scientists have announced the discovery of the planet TIC 172900988b, which was discovered by NASA's TESS telescope.
📌The planet is equal in radius to Jupiter, but several times more massive than the gas giant. It makes a complete revolution around the stars in 200 days.
TIC 172900988b belongs to the class of circumbinary planets. Over the years, astronomers only speculated about the possibility of such bodies, but, thanks to new observational technology, this has become a reality.
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Gravity May Play a Tiny But Important Role in The Microworld of Particle Physics
Launch yourself from a great enough height and it won't take long to see which would win in a battle between gravity and the forces that bind solid ground.
Gravity's relative weakness, at least compared to the strength of electromagnetism and the nuclear forces, appears to limits its power to phenomena on the vast scales of planets and galaxies.
For this reason, together with the challenge of marrying general relativity with quantum physics, physicists tend to hand-wave gravity's role in the formation of particles by fudging it with a rather arbitrary correction factor.
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Launch yourself from a great enough height and it won't take long to see which would win in a battle between gravity and the forces that bind solid ground.
Gravity's relative weakness, at least compared to the strength of electromagnetism and the nuclear forces, appears to limits its power to phenomena on the vast scales of planets and galaxies.
For this reason, together with the challenge of marrying general relativity with quantum physics, physicists tend to hand-wave gravity's role in the formation of particles by fudging it with a rather arbitrary correction factor.
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The Eagle Nebula (catalogued as Messier 16 or M16, and as NGC 6611, and also known as the Star Queen Nebula and The Spire) is a young open cluster of stars in the constellation Serpens, discovered by Jean-Philippe de Cheseaux in 1745–46. Both the "Eagle" and the "Star Queen" refer to visual impressions of the dark silhouette near the center of the nebula, an area made famous as the "Pillars of Creation" imaged by the Hubble Space Telescope. The nebula contains several active star-forming gas and dust regions, including the aforementioned Pillars of Creation. The Eagle Nebula lies in the Sagittarius Arm of the Milky Way.
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Earth's Atmosphere scatters photons with shorter wavelengths more effectively, Since the light from the sun passes through more atmosphere at sunrise and sunset, The sky turns red due to its long Wavelength.
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THE SPACE PEN:
During the height of the space race in the 1960s, legend has it, NASA scientists realized that pens could not function in zero gravity. They therefore spent years and millions of taxpayer dollars developing a ballpoint pen that could put ink to paper without needing gravitational force to pull on the fluid. But their crafty Soviet counterparts, so the story goes, simply handed cosmonauts grease pencils.
The Space Pencil
Originally American astronauts, like the Soviets, wrote with pencils, according to NASA historians.
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During the height of the space race in the 1960s, legend has it, NASA scientists realized that pens could not function in zero gravity. They therefore spent years and millions of taxpayer dollars developing a ballpoint pen that could put ink to paper without needing gravitational force to pull on the fluid. But their crafty Soviet counterparts, so the story goes, simply handed cosmonauts grease pencils.
The Space Pencil
Originally American astronauts, like the Soviets, wrote with pencils, according to NASA historians.
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Lightning Mysteries
According to science, lightning is just a type of electrical discharge, which usually occurs during a thunderstorm. It seems to be simple, but lightning often poses such puzzles that even venerable scientists have no idea what to do with it. For example, they sometimes manage to leave a kind of photographic imprint on the human body, which scientists call "Lichtenberg figures. Often they look like birds' feathers, trees or leaves.
What remains unclear is the ability of lightning to vaporize a person's underwear while leaving outerwear intact. Sometimes lightning can vaporize a metal ring on a hand or a cross around the neck, leaving a person alive. Sometimes lightning shaves off all a person's hair or gives him superpowers, and one American man after being struck by lightning completely ceased to feel cold and now even in subzero temperatures he wears summer clothes. There are absolutely incredible cases when lightning gave back the lost vision to blind people.
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According to science, lightning is just a type of electrical discharge, which usually occurs during a thunderstorm. It seems to be simple, but lightning often poses such puzzles that even venerable scientists have no idea what to do with it. For example, they sometimes manage to leave a kind of photographic imprint on the human body, which scientists call "Lichtenberg figures. Often they look like birds' feathers, trees or leaves.
What remains unclear is the ability of lightning to vaporize a person's underwear while leaving outerwear intact. Sometimes lightning can vaporize a metal ring on a hand or a cross around the neck, leaving a person alive. Sometimes lightning shaves off all a person's hair or gives him superpowers, and one American man after being struck by lightning completely ceased to feel cold and now even in subzero temperatures he wears summer clothes. There are absolutely incredible cases when lightning gave back the lost vision to blind people.
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The problem, often not discovered until late in life, is that when you look for things in life like love, meaning, motivation, it implies they are sitting behind a tree or under a rock. The most successful people in life recognize, that in life they create their own love, they manufacture their own meaning, they generate their own m oti a t i 0 n
For me, I am driven by two main philosophies, know more today about the world than I knew yesterday. And lessen the suffering of others. You'd be surprised how far that gets you. Neil DeGrasse Tyson
For me, I am driven by two main philosophies, know more today about the world than I knew yesterday. And lessen the suffering of others. You'd be surprised how far that gets you. Neil DeGrasse Tyson