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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.

Hair hanging is a circus-style trick in which a person is suspended by only their hair and swung around or held up in the air. Originally conceived in China, it is traditionally performed with the hair wound around a ring or a hook, and the performer is then suspended or swung around, often while performing other tricks of the circus trade, such as juggling.

The secret to hair hanging is that the performers take care of a few key points in their preparation, such as eating specialized diets rich in hair-boosting foods, using special shampoo, receiving monthly scalp treatments, and ensuring that the braid is tightly wound and perfectly balanced.

#hairhanging #hairstrength #howdotheydoit 

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Hair hanging is a circus-style trick in which a person is suspended by only their hair and swung around or held up in the air. Originally conceived in China, it is traditionally performed with the hair wound around a ring or a hook, and the performer is then suspended or swung around, often while performing other tricks of the circus trade, such as juggling.

The secret to hair hanging is that the performers take care of a few key points in their preparation, such as eating specialized diets rich in hair-boosting foods, using special shampoo, receiving monthly scalp treatments, and ensuring that the braid is tightly wound and perfectly balanced.

#hairhanging #hairstrength #howdotheydoit

Stock Video Source: elements.envato.com , pexels.com , pixabay.com, youtube.com/@ripleys, youtube.com/@xfancychancex (Veronica Thompson),
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Original Article Link: https://www.scienceabc.com/eyeopeners/how-can-performers-hang-by-their-hair.html

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Voice Over Artist: John Staughton ( https://www.fiverr.com/jswildwood )

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YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLlMtRk81bjhadFgw

Hair Hanging Explained: How Performers Hang Without Ripping Their Scalps Off

ScienceABC II views 10 hours ago

For those not familiar, a mukbang is a live-streaming video involving the host consuming food for an audience. The term originates from the Korean word meokbang, a combination of two other Korean words: meongneun or eating and bangsong or broadcast.

A typical mukbang video could involve the individual, also known as a 'mukbanger', cooking and then subsequently consuming food. While some mukbangers prefer to cook, others order in with the common intention of consuming the food live on camera.

There are a plethora of different kinds of mukbang videos, including ASMR, collaboration, and storytelling mukbangs.

#mukbang #mukbangers #foodcravingsatisfied 

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References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6010208/
https://journals.sagepub.com/doi/10.1177/1460458220901360
https://doi.org/10.5406/amerjpsyc.126.2.0155
https://doi.org/10.1007/s11469-019-00211-0
https://doi.org/10.1016/j.chb.2013.10.059
https://www.researchgate.net/journal/International-Journal-of-Business-and-Management-1833-8119

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https://www.scienceabc.com/social-science/what-is-the-psychology-of-mukbang-watching.html

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For those not familiar, a mukbang is a live-streaming video involving the host consuming food for an audience. The term originates from the Korean word meokbang, a combination of two other Korean words: meongneun or eating and bangsong or broadcast.

A typical mukbang video could involve the individual, also known as a 'mukbanger', cooking and then subsequently consuming food. While some mukbangers prefer to cook, others order in with the common intention of consuming the food live on camera.

There are a plethora of different kinds of mukbang videos, including ASMR, collaboration, and storytelling mukbangs.

#mukbang #mukbangers #foodcravingsatisfied

Stock Video Source: elements.envato.com , pexels.com , pixabay.com, freepik.com, youtube.com/StephanieSoo, youtube.com/ZachChoi
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References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6010208/
https://journals.sagepub.com/doi/10.1177/1460458220901360
https://doi.org/10.5406/amerjpsyc.126.2.0155
https://doi.org/10.1007/s11469-019-00211-0
https://doi.org/10.1016/j.chb.2013.10.059
https://www.researchgate.net/journal/International-Journal-of-Business-and-Management-1833-8119

Original Article Link:
https://www.scienceabc.com/social-science/what-is-the-psychology-of-mukbang-watching.html

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3 2

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLnpOYjIyZUZmZnNZ

What is Mukbang and How Has It Become a Viral Sensation Online?

ScienceABC II 78 views May 17, 2024 6:15 pm

Carrying a pole helps the walker increase their rotational inertia, which aids in maintaining stability while walking over the narrow rope. The pole also adds more weight below the center of gravity of the walker, which is another bonus for maintaining balance.

By carrying a pole (technically called a balancing pole) horizontally in their hands, the tightrope walker increases his moment of inertia, i.e., he minimizes his body’s “rotation” around the rope. The length of the pole also plays an important role: the longer the pole, the better it is for stability. This is because it spreads the combined mass over the rope (weight of the walker + weight of the pole) far away from the pivot point (the feet of the walker).

Moreover, the bar reduces the angular acceleration of the tightrope walker as more torque is required to rotate the walker. This means that if the walker tips over, he would do that very slowly and, therefore, have more time to correct his stance/gait.

#tightrope #rotationalmotion #ropewalking

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References:
http://web.archive.org/web/20161015200807/http://ffden-2.phys.uaf.edu:80/211_fall2010.web.dir/Tyler_Kornfield1/Inertia_Acceleration.html
http://homepage.physics.uiowa.edu/~rmerlino/6Fall09/29006_L11.pdf
http://web.archive.org/web/20170215004854/http://www2.physics.uiowa.edu:80/~rmerlino/6Spring11/29006_L11.pdf

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https://www.scienceabc.com/eyeopeners/why-tightrope-walkers-carry-a-polebar-during-their-performance.html

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Carrying a pole helps the walker increase their rotational inertia, which aids in maintaining stability while walking over the narrow rope. The pole also adds more weight below the center of gravity of the walker, which is another bonus for maintaining balance.

By carrying a pole (technically called a balancing pole) horizontally in their hands, the tightrope walker increases his moment of inertia, i.e., he minimizes his body’s “rotation” around the rope. The length of the pole also plays an important role: the longer the pole, the better it is for stability. This is because it spreads the combined mass over the rope (weight of the walker + weight of the pole) far away from the pivot point (the feet of the walker).

Moreover, the bar reduces the angular acceleration of the tightrope walker as more torque is required to rotate the walker. This means that if the walker tips over, he would do that very slowly and, therefore, have more time to correct his stance/gait.

#tightrope #rotationalmotion #ropewalking

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References:
http://web.archive.org/web/20161015200807/http://ffden-2.phys.uaf.edu:80/211_fall2010.web.dir/Tyler_Kornfield1/Inertia_Acceleration.html
http://homepage.physics.uiowa.edu/~rmerlino/6Fall09/29006_L11.pdf
http://web.archive.org/web/20170215004854/http://www2.physics.uiowa.edu:80/~rmerlino/6Spring11/29006_L11.pdf

Original Article Link:
https://www.scienceabc.com/eyeopeners/why-tightrope-walkers-carry-a-polebar-during-their-performance.html

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11 2

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLmdHVmRaUWRwWjhZ

Why Do Tightrope Walkers Carry Long Poles when Walking on A Rope?

ScienceABC II 497 views May 15, 2024 6:15 pm

The satisfaction, relief, and even pleasure you feel after a good pooping session is due to the stimulation of two nerves: the pudendal nerve and the vagus nerve. Both have slightly different effects, but together, they contribute to that sense of relief.

The pudendal nerve controls movement and sensations in the pelvic area, including the anus and genital muscles. When stimulated during pooping, it leads to arousal and pleasure.

The vagus nerve transmits signals from the digestive system and other organs to the brain and back. When you poop, muscles in the buttocks and pelvic region relax. This stimulates the vagus nerve, which can make your heart rate and blood pressure go down, leaving you feeling relaxed for a short time.

#poop #satisfaction #digestivesystem 

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References:
https://doi.org/10.1016/j.cger.2013.10.003
https://health.ucsd.edu/news/features/Pages/2018-05-11-listicle-what-color-is-your-poop.aspx
https://www.umass.edu/mycenter/documents/bb/poop.pdf
https://doi.org/10.3389/fpsyt.2018.00044
https://www.ncbi.nlm.nih.gov/books/NBK554736/
https://doi.org/10.1002/ca.980080205
https://www.ncbi.nlm.nih.gov/books/NBK542218/
https://doi.org/10.4103/jmh.JMH_2_19
https://doi.org/10.1097/01.NME.0000413348.75316.a0

Original Article Link:
https://www.scienceabc.com/humans/why-do-you-feel-satisfied-after-pooping.html

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The satisfaction, relief, and even pleasure you feel after a good pooping session is due to the stimulation of two nerves: the pudendal nerve and the vagus nerve. Both have slightly different effects, but together, they contribute to that sense of relief.

The pudendal nerve controls movement and sensations in the pelvic area, including the anus and genital muscles. When stimulated during pooping, it leads to arousal and pleasure.

The vagus nerve transmits signals from the digestive system and other organs to the brain and back. When you poop, muscles in the buttocks and pelvic region relax. This stimulates the vagus nerve, which can make your heart rate and blood pressure go down, leaving you feeling relaxed for a short time.

#poop #satisfaction #digestivesystem

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References:
https://doi.org/10.1016/j.cger.2013.10.003
https://health.ucsd.edu/news/features/Pages/2018-05-11-listicle-what-color-is-your-poop.aspx
https://www.umass.edu/mycenter/documents/bb/poop.pdf
https://doi.org/10.3389/fpsyt.2018.00044
https://www.ncbi.nlm.nih.gov/books/NBK554736/
https://doi.org/10.1002/ca.980080205
https://www.ncbi.nlm.nih.gov/books/NBK542218/
https://doi.org/10.4103/jmh.JMH_2_19
https://doi.org/10.1097/01.NME.0000413348.75316.a0

Original Article Link:
https://www.scienceabc.com/humans/why-do-you-feel-satisfied-after-pooping.html

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18 5

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLjFzV2tKazl6Undn

Why Does POOPING Feel 'Good?'

ScienceABC II 332 views May 13, 2024 6:15 pm

We aren’t using nuclear fusion to generate power yet because it is incredibly difficult to sustain a fusion reaction. The energy requirements are very high, and it is hard to find materials that can withstand such high temperatures.

For fusion to occur, you need a temperature of at least 100,000,000 degrees Celsius. That’s slightly more than 6 times the temperature of the Sun’s core. It should be noted that experimental fusion reactors do exist – and work! – but they consume way more power than they produce, which basically defeats the purpose of generating power using fusion.

Last but not least is the obligatory money problem. Anything related to nuclear power is usually considered a tough idea to sell to the masses. Betting on nuclear fusion is akin to making a multi-billion dollar investment with no guarantee of success.

#nuclearfusion #fissionvsfusion #nuclearpower 

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References:
https://sites.pitt.edu/~how31/Engineering_Trends.html
https://dothemath.ucsd.edu/2012/01/nuclear-fusion/
https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch23/fission.php
https://wtamu.edu/~cbaird/sq/2015/03/20/why-does-the-sun-not-run-out-of-oxygen-as-it-burns/
https://www.sas.upenn.edu/~kennethp/rubricappsciconcapstone.pdf

Original Article Link:
https://www.scienceabc.com/eyeopeners/why-arent-we-using-nuclear-fusion-to-generate-power-yet.html

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We aren’t using nuclear fusion to generate power yet because it is incredibly difficult to sustain a fusion reaction. The energy requirements are very high, and it is hard to find materials that can withstand such high temperatures.

For fusion to occur, you need a temperature of at least 100,000,000 degrees Celsius. That’s slightly more than 6 times the temperature of the Sun’s core. It should be noted that experimental fusion reactors do exist – and work! – but they consume way more power than they produce, which basically defeats the purpose of generating power using fusion.

Last but not least is the obligatory money problem. Anything related to nuclear power is usually considered a tough idea to sell to the masses. Betting on nuclear fusion is akin to making a multi-billion dollar investment with no guarantee of success.

#nuclearfusion #fissionvsfusion #nuclearpower

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References:
https://sites.pitt.edu/~how31/Engineering_Trends.html
https://dothemath.ucsd.edu/2012/01/nuclear-fusion/
https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch23/fission.php
https://wtamu.edu/~cbaird/sq/2015/03/20/why-does-the-sun-not-run-out-of-oxygen-as-it-burns/
https://www.sas.upenn.edu/~kennethp/rubricappsciconcapstone.pdf

Original Article Link:
https://www.scienceabc.com/eyeopeners/why-arent-we-using-nuclear-fusion-to-generate-power-yet.html

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15 2

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLmtMT05aSVY0VlJj

Why Aren't We Using Nuclear FUSION To Solve Our Energy Crisis?

ScienceABC II 430 views May 10, 2024 6:15 pm

Why Are Rainbows CURVED?

ScienceABC II 374 views May 8, 2024 6:15 pm

Rainbow on Road: Why Do You See Colorful ‘Rainbow’ Patches On A Wet Road?

ScienceABC II 529 views May 6, 2024 6:10 pm

Talking is a unique thing. It is a combination of sounds and syllables arranged in various combinations and lengths to express various thoughts, emotions, ideas, etc. Apart from the basic production of the sound, a major component is the meaning behind the word. The words “dog” or “apple” have no meaning apart from the one decided upon by English speakers. The same sound may have different meanings in different languages; similarly, the same object may have different names in different languages.

When we think about why animals cannot talk, we need to figure out why they cannot perform the two comprising actions simultaneously. The word ‘simultaneously’ is essential, as there have been animals known to perform either one of the two functions, but that cannot be considered “talking”. For instance, parrots can mimic the sounds made by humans. Alternatively, there are animals, like whales, which teach their young ones their songs. However, these have no specific meaning behind them.

A theory proposed by Elaine Morgan says that our ability to talk is also partially due to our evolutionary path. She says that we evolved from aquatic apes rather than directly from the tree climbers. Due to the phase of the aquatic apes, we learned to consciously control our breathing, which enables us to make the sounds required for talking.

#animaltalk #animalcommunication #talkinganimals 

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References:
https://davidson.weizmann.ac.il/en/online/sciencepanorama/why-dont-animals-talk
https://medlineplus.gov/genetics/gene/foxp2/

Original Article Link:
https://www.scienceabc.com/eyeopeners/why-cant-animals-talk-like-humans.html

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Talking is a unique thing. It is a combination of sounds and syllables arranged in various combinations and lengths to express various thoughts, emotions, ideas, etc. Apart from the basic production of the sound, a major component is the meaning behind the word. The words “dog” or “apple” have no meaning apart from the one decided upon by English speakers. The same sound may have different meanings in different languages; similarly, the same object may have different names in different languages.

When we think about why animals cannot talk, we need to figure out why they cannot perform the two comprising actions simultaneously. The word ‘simultaneously’ is essential, as there have been animals known to perform either one of the two functions, but that cannot be considered “talking”. For instance, parrots can mimic the sounds made by humans. Alternatively, there are animals, like whales, which teach their young ones their songs. However, these have no specific meaning behind them.

A theory proposed by Elaine Morgan says that our ability to talk is also partially due to our evolutionary path. She says that we evolved from aquatic apes rather than directly from the tree climbers. Due to the phase of the aquatic apes, we learned to consciously control our breathing, which enables us to make the sounds required for talking.

#animaltalk #animalcommunication #talkinganimals

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References:
https://davidson.weizmann.ac.il/en/online/sciencepanorama/why-dont-animals-talk
https://medlineplus.gov/genetics/gene/foxp2/

Original Article Link:
https://www.scienceabc.com/eyeopeners/why-cant-animals-talk-like-humans.html

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30 6

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLmZuZ3ZhWGc5dFNR

Why Can't Animals Talk Like Humans?

ScienceABC II 822 views May 3, 2024 6:15 pm

Carrier pigeons have an innate ability known as magnetoreception, which enables them to detect and orient themselves based on magnetic fields. Humans lack this ability, but many bird species have the skill to varying degrees. Rock pigeons with the most potent ability are bred to create robust and reliable homing pigeons.

Throughout history, pigeons have been recognized as reliable messengers. For instance, Genghis Khan used the pigeon post to stay in touch with remote parts of his empire. Similarly, messenger pigeons were used in ancient Greece to announce significant events such as the Olympics.

#homingpigeons #messengerpigeons #pigeonpost

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References:
https://blogs.bu.edu/bioaerial2012/2012/09/25/the-pigeon-post/
https://doi.org/10.1073/pnas.0701575104
https://doi.org/10.1098/rspb.2007.3768
https://doi.org/10.1242/jeb.199.1.21

Original Article Link:
https://www.scienceabc.com/eyeopeners/how-did-the-pigeon-post-work.html

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Carrier pigeons have an innate ability known as magnetoreception, which enables them to detect and orient themselves based on magnetic fields. Humans lack this ability, but many bird species have the skill to varying degrees. Rock pigeons with the most potent ability are bred to create robust and reliable homing pigeons.

Throughout history, pigeons have been recognized as reliable messengers. For instance, Genghis Khan used the pigeon post to stay in touch with remote parts of his empire. Similarly, messenger pigeons were used in ancient Greece to announce significant events such as the Olympics.

#homingpigeons #messengerpigeons #pigeonpost

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References:
https://blogs.bu.edu/bioaerial2012/2012/09/25/the-pigeon-post/
https://doi.org/10.1073/pnas.0701575104
https://doi.org/10.1098/rspb.2007.3768
https://doi.org/10.1242/jeb.199.1.21

Original Article Link:
https://www.scienceabc.com/eyeopeners/how-did-the-pigeon-post-work.html

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20 2

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLk9EWk1KRHVaeXBR

How Do Carrier Pigeons Know 'Where' To Go?

ScienceABC II 243 views May 1, 2024 6:15 pm

A frequent reason for a healthy cat to refuse to eat from a bowl with plenty of food left behind is that the cat may have whisker fatigue. Some cats experience whisker fatigue when their highly sensitive whiskers are constantly being brushed up or touched against a surface, such as the sides of a bowl.

This is why cats generally eat from the center of the bowl. When the amount of food in the center gets depleted (and the base of the bowl becomes visible), the cat simply stops eating, as it realizes that eating from the sides of the bowl will hurt or cause stress. This is also why a really hungry cat will sometimes tip the bowl and eat their food off the floor; this way, its whiskers don’t brush against the sides of the bowl, but they still get to finish their meal!

#catbehavior #shycat #whiskerfatigue

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References:
https://dss.ncf.edu/neuro/2019/04/08/whiskers-in-cats-an-introduction/
https://news.okstate.edu/articles/veterinary-medicine/2017/whisker-fatigue-cats.html
https://scholar.lib.vt.edu/VA-news/ROA-Times/issues/1997/rt9702/970202/02030002.htm

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A frequent reason for a healthy cat to refuse to eat from a bowl with plenty of food left behind is that the cat may have whisker fatigue. Some cats experience whisker fatigue when their highly sensitive whiskers are constantly being brushed up or touched against a surface, such as the sides of a bowl.

This is why cats generally eat from the center of the bowl. When the amount of food in the center gets depleted (and the base of the bowl becomes visible), the cat simply stops eating, as it realizes that eating from the sides of the bowl will hurt or cause stress. This is also why a really hungry cat will sometimes tip the bowl and eat their food off the floor; this way, its whiskers don’t brush against the sides of the bowl, but they still get to finish their meal!

#catbehavior #shycat #whiskerfatigue

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Stock Music Source: elements.envato.com

References:
https://dss.ncf.edu/neuro/2019/04/08/whiskers-in-cats-an-introduction/
https://news.okstate.edu/articles/veterinary-medicine/2017/whisker-fatigue-cats.html
https://scholar.lib.vt.edu/VA-news/ROA-Times/issues/1997/rt9702/970202/02030002.htm

Original Article Link:
https://www.scienceabc.com/nature/animals/why-do-cats-stop-eating-when-the-bottom-of-the-bowl-is-visible-but-theres-still-food.html

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38 4

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLnVMY1hfRTNtU2VF

Why Do Cats REFUSE to Eat When There's Still Food in the Bowl?

ScienceABC II 951 views April 29, 2024 6:15 pm

Simply switching off your phone data won’t completely eliminate radio wave emissions, even when your phone is on standby mode. This is because the phone needs to be connected to a nearby cell tower to be online and available for calls and messages. Therefore, radio waves will still be emitted to maintain the phone’s connectivity.

In addition, there are other passive features, like Bluetooth, which will still emit radiation to remain connected to nearby devices, like Bluetooth speakers, headphones, and TVs.

Therefore, turning off your phone’s data or WiFi can lower your exposure to radiation, but it won’t completely eliminate it.

#mobileradiation #radiationprotection #radiowaves 

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References:
https://doi.org/10.1016/j.envpol.2018.07.019
https://journals.lww.com/health-physics/Fulltext/2020/05000/Principles_for_Non_Ionizing_Radiation_Protection.1.aspx?context=FeaturedArticles&collectionId=2
https://www.cdc.gov/nceh/radiation/nonionizing_radiation.html
https://doi.org/10.3390/cells10113041

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https://www.scienceabc.com/innovation/does-switching-off-phone-data-and-wifi-protect-me-from-radiation-from-my-phone.html

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Simply switching off your phone data won’t completely eliminate radio wave emissions, even when your phone is on standby mode. This is because the phone needs to be connected to a nearby cell tower to be online and available for calls and messages. Therefore, radio waves will still be emitted to maintain the phone’s connectivity.

In addition, there are other passive features, like Bluetooth, which will still emit radiation to remain connected to nearby devices, like Bluetooth speakers, headphones, and TVs.

Therefore, turning off your phone’s data or WiFi can lower your exposure to radiation, but it won’t completely eliminate it.

#mobileradiation #radiationprotection #radiowaves

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Stock Image Source: elements.envato.com , pexels.com , pixabay.com, freepik.com, Wikimedia Commons
Stock Music Source: elements.envato.com

References:
https://doi.org/10.1016/j.envpol.2018.07.019
https://journals.lww.com/health-physics/Fulltext/2020/05000/Principles_for_Non_Ionizing_Radiation_Protection.1.aspx?context=FeaturedArticles&collectionId=2
https://www.cdc.gov/nceh/radiation/nonionizing_radiation.html
https://doi.org/10.3390/cells10113041

Original Article Link:
https://www.scienceabc.com/innovation/does-switching-off-phone-data-and-wifi-protect-me-from-radiation-from-my-phone.html

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22 0

YouTube Video VVVuSTBhRmVCeldCaWlYaUhwNTZrYXFRLkRLcWZUc3ZDd0pN

Can Switching Off WiFi & Mobile Data 'Protect' You From Radiation?

ScienceABC II 239 views April 26, 2024 6:15 pm

Isotopes are variants of chemical elements that differ in the number of neutrons in their nuclei. Although isotopes have the same number of protons, which defines the element's identity, they can exhibit different atomic masses due to varying neutron counts. This difference in mass leads to unique properties and behaviors among isotopes of the same element.

Radiometric dating is one of the most significant applications of isotopes. Scientists use the decay of radioactive isotopes to determine the age of rocks, fossils, and archaeological artifacts. For instance, Carbon-14 dating relies on the decay of the radioactive isotope carbon-14 to estimate the age of organic materials. Isotopes have extensive medical uses, particularly in diagnostic imaging and cancer treatment. Furthermore, isotopic analysis provides valuable insights into geological processes, climate change, and environmental studies. 

#isotopes #chemistry #radioactivity 

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Isotopes are variants of chemical elements that differ in the number of neutrons in their nuclei. Although isotopes have the same number of protons, which defines the element's identity, they can exhibit different atomic masses due to varying neutron counts. This difference in mass leads to unique properties and behaviors among isotopes of the same element.

Radiometric dating is one of the most significant applications of isotopes. Scientists use the decay of radioactive isotopes to determine the age of rocks, fossils, and archaeological artifacts. For instance, Carbon-14 dating relies on the decay of the radioactive isotope carbon-14 to estimate the age of organic materials. Isotopes have extensive medical uses, particularly in diagnostic imaging and cancer treatment. Furthermore, isotopic analysis provides valuable insights into geological processes, climate change, and environmental studies.

#isotopes #chemistry #radioactivity

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161 16

YouTube Video VVVjTjNJdUlBUjZGbjc0RldNUWY2bEZBLm9qMldsODNOeXRV

Isotopes Explained in Simple Words with Real-life Examples

Science ABC 2.9K views April 24, 2024 6:50 pm