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Saturday, September 21, 2024

The Great Forest Park Balloon Race

The Great Forest Park Balloon Glow and Race 2024
jzebraa

The Great Forest Park Balloon Race is an annual hot air balloon festival held in Forest Park in St. Louis, Missouri. With more than 70 entrants and 130,000 spectators, it is the most well-attended single-day hot air balloon race in the United States. Wikipedia

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Janet Jackson Fashion History

The Great Forest Park Balloon Race and Balloon Glow

The Great Forest Park Balloon Glow and Race 2024
jzebraa

The Great Forest Park Balloon Race is an annual hot air balloon festival held in Forest Park in St. Louis, Missouri. With more than 70 entrants and 130,000 spectators, it is the most well-attended single-day hot air balloon race in the United States. Wikipedia

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Friday, September 20, 2024

Human Genome on a ‘memory crystal’ that will lasts billions of years

In case of extinction, scientists have stored a copy of the human genome on a ‘memory crystal’!

Memory Crystal Of Humans Genome 

The 360 terabyte data crystal will remain stable at room temperature for 300 quintillion years—a lifespan that only drops down to 13.8 billion years (i.e., the universe’s current age) if heated to 374 degrees Fahrenheit. Throw in the ability to survive both higher and lower temperatures, direct impact forces up to 10 tons per square centimeter, as well as lengthy exposure to cosmic radiation, and it’s easy to see how it is still the Guinness World Record holder for the most durable digital storage medium.


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Thursday, September 19, 2024

Vincent Van Gogh's The Starry Nights Turbulent Flow

Vincent van Gogh's masterpiece "The Starry Night" was painted in 1889. PHOTO 
Art Images/Getty Images

‘The Starry Night’ and turbulence theories The atmospheric motion of the painted sky cannot be directly measured, so Huang and his colleagues precisely measured the brushstrokes and compared the size of the brushstrokes to the mathematical scales expected from turbulence theories. To gauge physical movement, they used the relative brightness or luminance of the varying paint colors.


The researchers studied the 14 whirls or eddies in van Gogh's celebrated painting. PHOTO 
Yinxiang Ma

They discovered that the sizes of the 14 whirls or eddies in “The Starry Night,” and their relative distance and intensity, follow a physical law that governs fluid dynamics known as Kolmogorov’s theory of turbulence.  In the 1940s, Soviet mathematician Andrey Kolmogorov described a mathematical relationship between the fluctuations in a flow’s speed and the rate at which its energy dissipates.



The researchers studied the brushstrokes made by van Gogh, who painted the work after admitting himself to an asylum in southern France. PHOTO 
Yinxiang Ma

On display at the Museum of Modern Art in New York, “The Starry Night” is an enormously popular work of art that has been recreated in Lego bricks, drones and dominoes.  Huang said that scientists had long struggled to describe turbulent flow in fluid dynamics in a way that would allow them to predict the phenomenon and that a complete explanation remains a prevailing mystery of physics.


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https://www.cnn.com/2024/09/19/science/starry-night-van-gogh-hidden-math/index.html

Earths Moon Gets A Mini Me Moon

An asteroid will be Earth’s second moon for nearly two months. (Mark Garlick/Science Photo Library/Getty Images)

For nearly two months this year, Earth’s moon will have company — a second moon.  Technically, it isn’t a second moon, but rather an asteroid from the Arjuna asteroid belt — named 2024 PT5 — that will be caught in the Earth’s gravitational pull, according to a study in the journal Research Notes of the American Astronomical Society.  This is how many “mini-moons” are formed. An object in space can get caught in the Earth’s gravitational pull, make a full rotation around the planet and be classified as an orbiter — or be labeled a flyby if it doesn’t make a full rotation around the Earth, which is what 2024 PT5 is doing.  2024 PT5, discovered on Aug. 7, is following a horseshoe-shaped path, which means that it will make a semi-orbit of the Earth and then return to its normal sun-centered orbit. Researchers said the mini-moon will take place from Sept. 29 until Nov. 25.

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