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ScienceABC Videos is the audio-visual wing of your favorite Science website. Here, we present you some of the whackiest ideas and scientific phenomena through animated videos in our signature style. Subscribe to our YouTube channel “ScienceABC” to never miss a video.

How Do Deep Sea Fish Survive the Extreme Pressure?

ScienceABC II views September 29, 2022 3:00 pm

How Did Ancient Humans Cut Their Nails Without Nail Clippers?

ScienceABC II 82 views September 22, 2022 5:51 pm

How Many Times Can You Fold a Piece of Paper In Half?

ScienceABC II 508 views September 19, 2022 7:00 pm

Slowing or Reversing Aging: Can We Live for 180 years?

Science ABC 3.2K views September 19, 2022 4:01 pm

The reactivity of an element is a function of how easily an element loses or gains electrons. To determine an element's reactivity, we can learn a lot from the periodic table, and its particular trends.

The first element in the halogen group is fluorine. It’s a pale yellow, diatomic, highly corrosive, flammable gas with a pungent odor. Its atomic number is 9, and has a jam-packed 7 electrons in its valence shell. Moreover, it resides in the second row, which implies that all its 9 electrons are somehow crammed into only 2 shells.

A 7-electron valence shell requires it to gain only a single electron to complete its final shell and achieve stability, which isn’t a big feat when you consider its small size and vigorous nuclear pull. Fluorine is identified as the most electronegative element in the periodic table, making it the strongest oxidizing agent.

#reactivity #periodictable #cesium

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Track: Empty — Land of Fire [Audio Library Release]
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Watch: https://youtu.be/EOCyUxjLl1g
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The reactivity of an element is a function of how easily an element loses or gains electrons. To determine an element's reactivity, we can learn a lot from the periodic table, and its particular trends.

The first element in the halogen group is fluorine. It’s a pale yellow, diatomic, highly corrosive, flammable gas with a pungent odor. Its atomic number is 9, and has a jam-packed 7 electrons in its valence shell. Moreover, it resides in the second row, which implies that all its 9 electrons are somehow crammed into only 2 shells.

A 7-electron valence shell requires it to gain only a single electron to complete its final shell and achieve stability, which isn’t a big feat when you consider its small size and vigorous nuclear pull. Fluorine is identified as the most electronegative element in the periodic table, making it the strongest oxidizing agent.

#reactivity #periodictable #cesium

Stock Video Source: elements.envato.com , pexels.com , pixabay.com
Stock Image Source: elements.envato.com , pexels.com , pixabay.com
Stock Music Source:
––––––––––––––––––––––––––––––
Track: Empty — Land of Fire [Audio Library Release]
Music provided by Audio Library Plus
Watch: https://youtu.be/EOCyUxjLl1g
Free Download / Stream: https://alplus.io/empty
––––––––––––––––––––––––––––––

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6 0

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLl9rSmIwdkM3b3o0

Which Is The Most Reactive Element In The Periodic Table?

ScienceABC II 85 views September 16, 2022 6:00 pm

It’s highly unlikely to shoot down a missile mid-air. But there's more to it than that!

Causing a nuclear bomb to detonate requires a precise orchestration of events, without which the chain reaction does not initiate and the bomb doesn’t detonate. In fact, the very idea behind such anti-ballistic missile systems is that you smash an incoming ICBM with an interceptor missile so that the latter is destroyed before it actually reaches its target. Causing an intentional nuclear explosion is a complicated process. As such, any interceptor missile that hits a nuclear missile is highly unlikely to cause a nuclear explosion.

However, that doesn’t mean that exploding a nuclear missile over a populated area is safe. As mentioned earlier, it’s very difficult to actually intercept an ICBM. Also, if an interceptor missile actually destroys a nuclear missile, it could lead to the plutonium or uranium core falling to the ground, which would consequently be a radiation hazard that could potentially endanger lives.

In a nutshell, a successful shoot-down of a nuclear missile would make a city-flattening bomb into a mere radiation hazard, thus reducing its deadliness by a huge margin.

#nuclearmissile #nuclearfission #nuclearfusion  

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It’s highly unlikely to shoot down a missile mid-air. But there's more to it than that!

Causing a nuclear bomb to detonate requires a precise orchestration of events, without which the chain reaction does not initiate and the bomb doesn’t detonate. In fact, the very idea behind such anti-ballistic missile systems is that you smash an incoming ICBM with an interceptor missile so that the latter is destroyed before it actually reaches its target. Causing an intentional nuclear explosion is a complicated process. As such, any interceptor missile that hits a nuclear missile is highly unlikely to cause a nuclear explosion.

However, that doesn’t mean that exploding a nuclear missile over a populated area is safe. As mentioned earlier, it’s very difficult to actually intercept an ICBM. Also, if an interceptor missile actually destroys a nuclear missile, it could lead to the plutonium or uranium core falling to the ground, which would consequently be a radiation hazard that could potentially endanger lives.

In a nutshell, a successful shoot-down of a nuclear missile would make a city-flattening bomb into a mere radiation hazard, thus reducing its deadliness by a huge margin.

#nuclearmissile #nuclearfission #nuclearfusion

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32 2

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLm9FanctaGJjYlNZ

What Happens If You Try To Shoot Down A Nuclear Missile Mid-Air?

ScienceABC II 796 views September 13, 2022 3:00 pm

If you travel at the speed of light, your mass will increase exponentially. The speed of light is 300,000 kilometers per second (186,000 miles per second). When you move at this speed, your mass will become infinite. Therefore, infinite energy will be required to keep you moving, which is impractical. That’s the reason why no person or object can move at speed or faster than the speed of light.

However, if we’re talking about going almost as fast as the speed of light, say 90% of the speed of light, then there would be interesting observations. For one, the person traveling at such a speed would experience a slowing of time. For that person, time would move slower than for someone who is not moving. For example, if a person is traveling at 90% of the speed of light, that person would experience only 10 minutes of time passing, while a stationary person would have experienced 20 minutes. Time will be cut in half! Also, the field of vision would change drastically. The world would appear through a tunnel-shaped window in front of the aircraft in which the person is traveling.

#lightspeed #fasterthanlight #timedilation 

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If you travel at the speed of light, your mass will increase exponentially. The speed of light is 300,000 kilometers per second (186,000 miles per second). When you move at this speed, your mass will become infinite. Therefore, infinite energy will be required to keep you moving, which is impractical. That’s the reason why no person or object can move at speed or faster than the speed of light.

However, if we’re talking about going almost as fast as the speed of light, say 90% of the speed of light, then there would be interesting observations. For one, the person traveling at such a speed would experience a slowing of time. For that person, time would move slower than for someone who is not moving. For example, if a person is traveling at 90% of the speed of light, that person would experience only 10 minutes of time passing, while a stationary person would have experienced 20 minutes. Time will be cut in half! Also, the field of vision would change drastically. The world would appear through a tunnel-shaped window in front of the aircraft in which the person is traveling.

#lightspeed #fasterthanlight #timedilation

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36 5

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLmlRa3FfYjB6eVh3

What Would Happen If You Traveled At The Speed of Light?

ScienceABC II 1.1K views September 5, 2022 4:00 pm

When we experience anxiety, our sympathetic nervous system is activated and initiates the fight-or-flight response. This response is a host of physiological changes that prepare us to either fight or flee. One of the effects of the fight-or-flight response is that blood is redirected away from the stomach to the muscles. This can cause the stomach to feel like it is “dropping.”

These responses in humans have probably evolved to cope with the threats that prehistoric humans faced. Hunting dangerous animals and surviving in the untamed wilderness a few hundred thousand years ago was not an easy task; constant vigilance was needed. It was also vital to run fast and fight hard. Our fight-or-flight response likely developed over thousands of generations of natural selection, wherein those who had better fight-or-flight behaviors had better fitness and were, therefore, more likely to pass on their genes.

#stomach #stomachdrop #stomachache 

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When we experience anxiety, our sympathetic nervous system is activated and initiates the fight-or-flight response. This response is a host of physiological changes that prepare us to either fight or flee. One of the effects of the fight-or-flight response is that blood is redirected away from the stomach to the muscles. This can cause the stomach to feel like it is “dropping.”

These responses in humans have probably evolved to cope with the threats that prehistoric humans faced. Hunting dangerous animals and surviving in the untamed wilderness a few hundred thousand years ago was not an easy task; constant vigilance was needed. It was also vital to run fast and fight hard. Our fight-or-flight response likely developed over thousands of generations of natural selection, wherein those who had better fight-or-flight behaviors had better fitness and were, therefore, more likely to pass on their genes.

#stomach #stomachdrop #stomachache

Stock Video Source: elements.envato.com , pexels.com , pixabay.com
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––––––––––––––––––––––––––––––
Track: Alone With You — Land of Fire [Audio Library Release]
Music provided by Audio Library Plus
Watch: https://youtu.be/VkmZtR27d98
Free Download / Stream: https://alplus.io/alone-you
––––––––––––––––––––––––––––––

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5 2

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLnNBQU9VQnRiM2hv

Stomach Drop Feeling: Why Does Your Stomach “Drop” When You’re Anxious?

ScienceABC II 142 views September 2, 2022 4:00 pm

Huckleberry is a term used in the US to describe numerous variations of plants, all of whom bear small berries that assume different colors, such as red, blue, or black.

The plants collectively belong to the family Ericaceae, a family of flowering plants commonly referred to as the heath family. These plants inhabit acidic and infertile vegetative areas, which explains why these species can grow in Antarctica, Central Greenland, and parts of the High Arctic.

The differences between hurtleberries and blueberries are less botanical and primarily geographical. Common names may refer to different flowering species or the same plant in different parts of the US. The common names make sorting processes difficult. As mentioned, both are called whortleberries, defined as the members of the plant family Ericaceae.

#huckleberry #blueberry #botany 

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Huckleberry is a term used in the US to describe numerous variations of plants, all of whom bear small berries that assume different colors, such as red, blue, or black.

The plants collectively belong to the family Ericaceae, a family of flowering plants commonly referred to as the heath family. These plants inhabit acidic and infertile vegetative areas, which explains why these species can grow in Antarctica, Central Greenland, and parts of the High Arctic.

The differences between hurtleberries and blueberries are less botanical and primarily geographical. Common names may refer to different flowering species or the same plant in different parts of the US. The common names make sorting processes difficult. As mentioned, both are called whortleberries, defined as the members of the plant family Ericaceae.

#huckleberry #blueberry #botany

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––––––––––––––––––––––––––––––
Track: Cheers — WOMA [Audio Library Release]
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Watch: https://youtu.be/Wi23I4a7j48
Free Download / Stream: https://alplus.io/cheers
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7 0

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLkNsdmwtWWl5SkpZ

What Is Huckleberry? How Is It Different From Blueberry?

ScienceABC II 104 views August 30, 2022 6:00 pm

The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral point. Values below 7 are indicators of acidity, which increases as the number decreases, while values above 7 indicate alkalinity, which increases as the value increases.  An important distinction to understand is that the pH scale is a logarithmic scale.
On this scale, a substance with a pH of 3 is ten times more acidic than a substance with a pH of 4, and 100 times more acidic than a substance with a pH of 5. Similarly, a substance with a pH of 9 is ten times more alkaline than a substance with a pH of 8, and 1000 times more alkaline than a substance with a pH of 6.
Theoretically speaking, the pH scale should actually range from negative infinity to positive infinity. This claim is according to its definition, which states that the pH of a substance is the value defined by the negative logarithm of the hydrogen ion concentration. However, in reality, most solutions you would find in a standard laboratory have a pH value between 0-14.

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#phscale #phvalue #chemistry 

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The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral point. Values below 7 are indicators of acidity, which increases as the number decreases, while values above 7 indicate alkalinity, which increases as the value increases. An important distinction to understand is that the pH scale is a logarithmic scale calculated by the formula:
pH=−log10[H (solvated)]
On this scale, a substance with a pH of 3 is ten times more acidic than a substance with a pH of 4, and 100 times more acidic than a substance with a pH of 5. Similarly, a substance with a pH of 9 is ten times more alkaline than a substance with a pH of 8, and 1000 times more alkaline than a substance with a pH of 6.
Theoretically speaking, the pH scale should actually range from negative infinity to positive infinity. This claim is according to its definition, which states that the pH of a substance is the value defined by the negative logarithm of the hydrogen ion concentration. However, in reality, most solutions you would find in a standard laboratory have a pH value between 0-14.

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#phscale #phvalue #chemistry

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10 3

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLl84SHZLdkVxQ1JV

Why Are pH Values Only In A Range Of 0-14?

ScienceABC II 199 views August 24, 2022 5:00 pm

There’s a common movie trope of an actor wiping their fingerprints off a gun. It seems like a simple wipe with a cloth eliminates any trace of a criminal’s guilt, but that isn’t actually the case!
Scientists have developed a method that can visualize prints from even the faintest fingerprint deposits left after the metal of a gun is wiped off. This technique uses a colored-electro active film that uses fingerprint residues as a stencil for blocking the electric current. Once a voltage is passed through, the oily regions deflect the colored substances surrounding bare regions, which gives rise to a negative ridge pattern.

#fingerprint #forensics #criminalcase 

References:
https://www.amazon.com/Introduction-Forensic-Chemistry-Kelly-Elkins-ebook/dp/B07H5RW5S2/ref=sr_1_1
https://www.compoundchem.com/2016/07/26/fingerprints/
https://www.amazon.com/Forensics-Anatomy-Crime-Wellcome/dp/178125169X
https://www.amazon.com/Crime-Scene-Court-Essentials-Forensic/dp/1847558828
https://pubs.rsc.org/en/content/articlelanding/2013/FD/c3fd00053b
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1556-4029.2008.00738.x


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There’s a common movie trope of an actor wiping their fingerprints off a gun. It seems like a simple wipe with a cloth eliminates any trace of a criminal’s guilt, but that isn’t actually the case!
Scientists have developed a method that can visualize prints from even the faintest fingerprint deposits left after the metal of a gun is wiped off. This technique uses a colored-electro active film that uses fingerprint residues as a stencil for blocking the electric current. Once a voltage is passed through, the oily regions deflect the colored substances surrounding bare regions, which gives rise to a negative ridge pattern.

#fingerprint #forensics #criminalcase

References:
https://www.amazon.com/Introduction-Forensic-Chemistry-Kelly-Elkins-ebook/dp/B07H5RW5S2/ref=sr_1_1
https://www.compoundchem.com/2016/07/26/fingerprints/
https://www.amazon.com/Forensics-Anatomy-Crime-Wellcome/dp/178125169X
https://www.amazon.com/Crime-Scene-Court-Essentials-Forensic/dp/1847558828
https://pubs.rsc.org/en/content/articlelanding/2013/FD/c3fd00053b
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1556-4029.2008.00738.x


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243 19

YouTube Video VVVjTjNJdUlBUjZGbjc0RldNUWY2bEZBLlcxWjJ5MzhsdmJV

Detectives Use this Simple Technique to Find Your Fingerprints (Even AFTER You Have Wiped Them Off)!

Science ABC 6K views August 23, 2022 8:03 pm