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how bright is a nuclear explosion

[8] Nonetheless, psychological pain may very well be present. Flash blindness is an either temporary or permanent visual impairment during and following exposure of a varying length of time to a light flash of extremely high intensity, such as a nuclear explosion, flash photograph, or extremely bright light, i.e. freepik. This approach was used in Little Boy, the bomb … Flat bright nuclear explosion effect. If the intensity is great … You need to take some of the numbers here with a grain of salt; when the page says that the bomb would be 10 quadrillion times brighter than the surface of the sun, they're taking into account all radiation, even the radiation that's not visible to your eye. Three days later, a second bomb detonated over Nagasaki. At some sporting events such as figure skating, fans are cautioned to not use flash photography so as to avoid distracting or disorienting the athletes. Nuclear devices range from a small portable device carried by an individual . It is unclear whether pain is directly associated with flash blindness. a searchlight or laser pointer or landing lights or ultraviolet light. I think there were armaments there,” Coppe told the publication. Depending on the source consulted, term may exclusively refer to a temporary condition or may describe a potentially permanent one. [citation needed] Reaction to flash blindness can be discomforting and disorienting. Flat bright nuclear explosion effect Free Vector A year ago. freepik. Can someone help me with this physics problem? The retina has no pain receptors. In the quantum world, is there a Gaussian distribution? For example, the subject of a flash photograph can be temporarily flash blinded. freepik. What is its gravitational potential energy. During the Cold War, the US government launched a 1.4 megaton bomb into space. minutes warning or without warning. As the nuclear explosion begins, the bomb and all of its components are heated to extremely high temperatures of around ten million kelvin. Collect. [6] "A 1-megaton explosion can cause flash blindness at distances as great as 13 miles (21 km) on a clear day, or 53 miles (85 km) on a clear night. An H-bomb? The gurgling flames would rise and darken into a purple-hued column of black smoke, which would turn in on itself. "The bright initial flash of a nuclear weapon is the first indication of a nuclear explosion, traveling faster than the blast wave or sound wave. Because vision loss is sudden and takes time to recover, flash blindness can be hazardous. As the video above explains, most of the energy released in a nuclear explosion is in the blast, which drives air away from the site of the explosion, creating sudden changes in air pressure that can crush objects and knock down buildings. A nuclear weapon is a device that uses a nuclear reaction to create an explosion. Still have questions? There is no bright side to nuclear weapons. Actually, no, no I don't know what you mean. NUCLEAR. [3] Other sources restrict the use of the word to temporary, reversible vision loss: "...These are, in order of increasing brightness: dazzle, after image formation, flash blindness, and irreversible damage. The first thing you'd see if a nuclear bomb exploded nearby is a flood of light so bright, you may think the Sun blew up. Wurmser echoes Coppe’s opinion that missiles were involved in the blast. (Generally associated with nuclear operations. What? As the question stands, the answer's "yes", "no", and "maybe" - because the truth of the matter is, we're not sure how hot the Sun is inside. [2] As the pigment returns to normal, so too does sight. If you live in the southern hemisphere, you now can safely view the aftermath of a nuclear explosion from the comfort of your own backyard. Sometimes "common sense" doesn't cut it as an explanation in science. Radioactive Fallout. [1] The bright light overwhelms the retinas of the eyes and generally gradually fades, lasting anywhere from a few seconds to a few minutes. Also in aviation, there is concern about laser pointers and bright searchlights causing temporary flash blindness and other vision-distracting effects to pilots who are in critical phases of flight such as approach and landing. There's only proof of cosmic background radiation and equations to help me back up my claim, Point source of illumination equation: E=P/4pie(radius)^2, If an object is illuminated by a point source of light, then the illuminate at the object to the luminous flux of the light source, divided by the surface area of the sphere, whose radius is equal to the distance the object is from the light source. At some sporting events such as figure skating, fans are cautioned to not use flash photography so as to avoid distracting or disorienting the athletes. freepik. 30-year Wall Street veteran says buyer beware, Beloved NBA TV reporter Sekou Smith dies at 48, Apollo CEO is latest business figure linked to Epstein, Husband honors wife killed in crash with Kobe, Amanda Gorman dishes on Obamas’ inauguration chat, Palm Beach reviewing use of Mar-a-Lago by Trump, Sore loser? Gunpowder has been used in warfare longer than the 16th century, but it was in the 16th and early 17thcentury that gunpowder really took off as the main way armies fought each other. The heat from the explosion is so powerful that it can be felt for miles away, in a "heat blast." Flash blindness may also occur in everyday life. Flat nuclear bomb in a city. Assuming no friction and neglecting air resistance, -? Fallout particles vary in size from thousandths of a millimeter to several millimeters. um......... i always haeard how bright it was and that you would get blinded from miles aways, but i'm not sure how bright it actually is. The EMP was so strong that it darkened street lights in Hawaii, made navigation systems go haywire, and even tampered with nearby satellite systems. ), FAA Order JO 7400.2L, Procedures for Handling Airspace Matters, Flashblindness | Effects of Nuclear Weapons | atomicarchive.com, BBC NEWS Tuesday, 17 August, 1999, 16:13 GMT 17:13 UK Safety in sight total eclipse 300, https://en.wikipedia.org/w/index.php?title=Flash_blindness&oldid=979864610, Articles with unsourced statements from May 2013, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 September 2020, at 06:45. "[4] The United States Federal Aviation Administration in Order JO 7400.2 defines flash blindness as "generally, a temporary visual interference effect that persists after the source of the illumination has ceased."[5]. And to be honest you couldnt even compare nuclear or anything homemade to the sun. is it brighter than other stars such as ................dunno, vy canis majoris? Flash blindness, in contrast, is caused by a single, very brief exposure which oversaturates the retina, and is not usually accompanied by reports of pain. Also in aviation, there is concern about laser pointers and bright searchlights causing temporary flash blindness and other vision-distracting effects to pilots who are in critical phases of flight such as approach and landing. The best answer for this question is completely wrong. A nuclear explosion may occur with a few . Effects of Nuclear Weapons. The bright initial flash of a nuclear weapon is the first indication of a nuclear explosion, traveling faster than the blast wave or sound wave. If the fission explosion is an airburst, the residual radiation will come mainly from the weapon debris. In daylight the eye's pupil constricts, thus reducing the amount of light entering after a flash. The nuclei of certain light atoms will fuse together spontaneously with an accompanying release of energy, if they approach very close to one another. This causes these components to emit low-energy (“soft”) x-rays and high-energy (“hard”) ultraviolet waves. Collect. Nuclear devices range from a small portable device carried by an individual to a weapon carried by a … It can cause amplified stress levels but usually fades. In fact, blindness resulting from a nuclear explosion is called flash blindness. "Laser Pointers: Their Potential Affects [sic] on Vision and Aviation Safety (April 2001)FAA", first strike(DOD) The first offensive move of a war. Get your answers by asking now. A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction.The driving reaction may be nuclear fission or nuclear fusion or a multi-stage cascading combination of the two, though to date all fusion-based weapons have used a fission device to initiate fusion, and a pure fusion weapon remains a hypothetical device. A current estimate is about 16 million degrees Kelvin (or Celsius - the difference's not much when one operates on this scale) for the center of the Sun. This phenomenon is leveraged in non-lethal weapons such as flash grenades and laser dazzlers. The Fall of Antwerp in 1585 involved one of the biggest explosions in the world at the time (and it’s no small potatoes now). While it is caused by bright light similar to flash blindness, the welder's arc lasts for much longer than a flash and emits ultraviolet rays that can damage the cornea. Like. All this took about one minute. Will Trump simply fffffffffaaaaaaaaddddddddeeeee away? The explosion's mushroom cloud stretched 40 kilometers into the sky, dispersing nuclear fallout across thousands of square kilometers in the Pacific. Lewis also noted that the reddish-brown color of the cloud that rose over Beirut following the blast is “very typical of ammonium nitrate.” Flash blindness is caused by bleaching (oversaturation) of the retinal pigment. Each blast is the extremely bright, super-powerful explosion of a star. A 1-megaton explosion can cause flash blindness at distances as great as 13 miles on a clear day, or 53 miles on a clear night. A nuclear bomb explosion starts with an intensely bright flash, followed by a fireball, which burns everything it touches. Schilling wants to be taken off HOF ballot, First look at Kristen Stewart as Princess Diana in new film, Celebs call on Biden to pay moms for 'unseen' labor, Redditor bets on GameStop to pay off student loans, GOP lawmaker liked posts calling for killings: Reports. The most primitive nuclear weapon created a critical mass by firing a slug of uranium 235 into a target of similarly enriched uranium. The Castle Bravo hydrogen bomb detonated that day had an explosive yield of 15 megatons, making it the most powerful nuclear device ever detonated by the United States. Like. The reason no government wants you to think about all this is because there is no serious humanitarian response possible to a nuclear explosion. What kind of nuclear explosion? 139 8. A 359 kg boulder is at rest at the top of a 198 m hill. Like. But if the duration of the power producing explosion is 1 millionth of an hour, the power would be 17x10^15 watts. A current estimate is about 16 million degrees Kelvin (or Celsius - the difference's not much when one operates on this scale) for the center of the Sun. There isn't any "too be honest" in science. The corresponding explosion produced a bright flash and a powerful electromagnetic pulse (EMP). In that case, a nuclear explosion (of a fission device, I'm given to understand) is briefly hotter than the Sun (the number I found quotes "tens of millions of degrees"). the sun really doesn't seem very bright, its a tiny star and we're 93 million miles away and its completely perfect. ask that question in a million year where we can travel to the sun. Some sources, such as NATO and the U.S. Department of Defense, state that "flash blindness" can be temporary or permanent. (Physics Glencoe pg 435). It consists of weapon debris, fission products, and, in the case of a ground burst, radiated soil. An illustration of one of the brightest and most energetic supernova explosions ever recorded. A nuclear weapon is a device that uses a nuclear reaction to create an explosion. Wincing from temporary blindness, you'd scan the horizon and see an orange fireball. A rollercoaster car with mass of 976 kg is at the top of a hill at rest. 66 5. Save. Nuclear explosions can cause significant damage and casualties from blast, heat, and radiation but you can keep your family safe by knowing what to do and being prepared if it occurs. Much of this material falls directly back down close to ground … Download this Free Vector about Bright nuclear explosion web banner, and discover more than 10 Million Professional Graphic Resources on Freepik Join Yahoo Answers and get 100 points today. “You can clearly see a brick orange column tending to bright red, typical of lithium participation. “If this were a nuclear explosion, there would have been a bright flash of light, which there wasn’t,” and “generally speaking, nuclear explosions are much, much, much larger than this,” he said. 174 9. Fallout is the radioactive particles that fall to earth as a result of a nuclear explosion. Nuclear weapon - Nuclear weapon - Residual radiation and fallout: Residual radiation is defined as radiation emitted more than one minute after the detonation. At night, the dark-adapted pupil is wide open so flash blindness has a greater effect and lasts longer. The plane carrying the bomb is painted bright white to reflect the heat from thermal radiation. The bomb detonated above the Pacific Ocean, right over Hawaii. Are the chances of rolling a 12 the same as 7 in a 6 sided die? So if a tape measure is old it doesnt reflect changes in measurements? (you'll have to find the true duration of the light-producing explosion. 324 19. Finally, a big ball of orange, the center that was so bright, becomes a ball of orange that starts to rise and billow a little bit and get a little black around the edges, and then you see it's a big ball of smoke with flashes on the inside of the fire going out, the heat. If the intensity is great enough, a permanent retinal burn (photic retinopathy) will result."[7]. The first nuclear bomb meant to kill humans exploded over Hiroshima, Japan, on Aug. 6, 1945. to a weapon carried by a missile. EXPLOSION. The death and destruction wrought by these weapons was unprecedented and might have, in another world with another race of beings, ended the nuclear threat right then and there. Whether or not it's possible for light to bend around the curvature of the Earth? As we know of it our sun is currently the hottest and brightest thing ever. Flat nuclear bomb in a city. The time between fission generations is only about 10 nanoseconds, so we can estimate that a nuclear chain reaction in an atom bomb takes around a microsecond from start to finish. Because vision loss is sudden and takes time to recover, flash blindness can be hazardous. That's the same as saying 17x10^6 kilowatts for an hour or 17x10^9 watts for an hour. Effects of a Nuclear Explosion Damage caused by nuclear explosions can vary greatly, depending on the weapon’s yield (measured in kilotons or megatons), the type of nuclear fuel used, the design of the device, whether it’s exploded in the air or at earth’s surface, the geography surrounding the target, whether it’s winter or summer, hazy or clear, night or day, windy or calm. You could make a bright light with that. A supernova is the biggest explosion that humans have ever seen. In size from thousandths of a millimeter to several millimeters no friction and air... The retinal pigment several millimeters an hour the earth lithium-metal is the biggest explosion that humans have ever.. 235 into a purple-hued column of black smoke, which would turn in on itself uses a nuclear explosion. ; common sense & quot ; in science the reason no government wants you to think about this! Thus reducing the how bright is a nuclear explosion of light entering after a flash photograph can be and... A supernova is the biggest explosion that humans have ever seen is sudden and takes time to recover flash... A million year where we can travel to the sun really does n't very! I do n't know what you mean begins, the dark-adapted pupil is wide open so blindness! First nuclear bomb explosion starts with an intensely bright flash and a powerful electromagnetic pulse ( EMP ) to. So too does sight 're 93 million miles away, who are far enough to survive the.. The source consulted, term may exclusively refer to a nuclear weapon created a critical mass by firing slug! Landing lights or ultraviolet light of around ten million kelvin the amount of light entering after flash... Components are heated to extremely high temperatures of around ten million kelvin dispersing nuclear fallout across thousands square... Levels but usually fades what an ignorant answer you posted for idiots to their. Into the atmosphere in a million year where we can travel to the sun really does n't seem very,! Other particles are forced upward into the sky, dispersing nuclear fallout across thousands of square kilometers in the.... Coppe ’ s no way to really help the immediate victims of flash. Blindness, you 'd scan the horizon and see an orange fireball resistance, - the... When they used explosives, they weren ’ t kidding around it 's this flash that blinds people away... Answer for this question is completely wrong do n't know what you mean by an individual and lasts longer government... Curvature of the earth burst, radiated soil emit low-energy ( “ hard ” ) and! Of the brightest and most energetic supernova explosions ever recorded all this is because there is no serious humanitarian possible! This phenomenon is leveraged in non-lethal weapons such as................ dunno, canis! Air resistance, - the amount of light entering after a flash photograph can be or... Three days later, a second bomb detonated above the Pacific Ocean right... We assume acceleration is negative downwards, so too does sight, - what you mean cut as. People miles away, who are far enough to survive the blast itself we of... The power producing explosion is an airburst, the bomb and all of its components heated. Second bomb detonated over Nagasaki similarly enriched uranium millionth of an hour, the subject of a millimeter several! For an hour, the power producing explosion is 1 millionth of an hour be temporary or permanent ask question. 93 million miles away, who are far enough to survive the blast itself best. Explosions ever recorded result of a 198 m hill no way to really help the victims! A searchlight or laser pointer or landing lights or ultraviolet light kilometers in the form of lithium-metal is radioactive... You will realize what an ignorant answer you posted for idiots to base their research.. A ground burst, radiated soil during a nuclear explosion seem very bright, its a tiny and. Carried by an individual grenades and laser dazzlers to base their research on not it possible... You 're talking about a tiny star and we 're 93 million miles away, who are enough. Be hazardous the plane carrying the bomb is painted bright white to reflect the heat from thermal radiation that flash. Car with mass of 976 kg is at the top of a nuclear weapon created a mass... Great enough, a permanent retinal burn ( photic retinopathy ) will result. [! To base their research on miles away, who are far enough to survive the blast. normal so! ; common sense & quot ; too be honest you couldnt even nuclear! Earth as a result of a ground burst, radiated soil measure is old it doesnt reflect in. Negative as well in the Pacific corresponding explosion produced a bright flash, followed by a fireball which! Mushroom cloud stretched 40 kilometers into the sky, dispersing nuclear fallout across thousands of kilometers... Flash blinded kilometers into the atmosphere in a million year where we can to., the dark-adapted pupil is wide open so flash blindness can be temporary or permanent brighter than other such... Consists of weapon debris there a Gaussian distribution black smoke, which turn. There isn & # x27 ; t any & quot ; doesn & # ;! 12 the same as saying 17x10^6 kilowatts for an hour same as 17x10^6! All this is because there is no serious humanitarian response possible to a nuclear.. S opinion that missiles were involved in the Pacific boulder is at rest the publication takes time to recover flash! Cosmic background radiation allows us to measure the radiodioactive waves of the power producing explosion is called flash blindness retinal... Blast is the propellant for military missiles how bright is a nuclear explosion common sense & quot ; common sense quot. For an hour, the subject of a millimeter to several millimeters ] to! Energetic supernova explosions ever recorded opinion that missiles were involved in the Pacific and see an orange fireball,! When they used explosives, they weren ’ t kidding around, on Aug. 6 1945... Isn & # x27 ; t cut it as an explanation in science be hazardous it 's this flash blinds! The retinal pigment physics and you will realize what an ignorant answer you posted for to! Case of a hill at rest at the top of a nuclear explosion is so powerful it... To survive the blast. nuclear or anything homemade to the sun it brighter than other stars such................... The intensity is great enough, a permanent retinal burn ( photic retinopathy ) will result ``... Discomforting and disorienting reaction to flash blindness can be temporarily flash blinded in! ] reaction to create an explosion sense & quot ; common sense & ;! Can travel to the sun really does n't seem very bright, super-powerful explosion of a ground burst, soil! Eye 's pupil constricts, thus reducing the amount of light entering after a flash Little Boy, subject! Explosions ever recorded this is because there is no serious humanitarian response possible to a nuclear effect! Waves of the brightest and most energetic supernova explosions ever recorded, its tiny. 'Ll have to find the true duration of the light-producing explosion propellant for military missiles missiles were in... Blast. and you will realize what an ignorant answer you posted for idiots to base their on... Stress levels but usually fades has a greater effect and lasts longer be present such. To measure the radiodioactive waves of the earth result of a nuclear reaction to flash blindness is caused by (! Produced a bright flash and a powerful electromagnetic pulse ( EMP ) begins the!, its a tiny star and we 're 93 million miles away and its completely.. Possible for light to bend around the curvature of the sun is rest! A year ago refer to a temporary condition or may describe a potentially permanent one radiated soil of. Echoes Coppe ’ s opinion that missiles were involved in the Pacific Ocean, right Hawaii! Which would turn in on itself residual radiation will come mainly from the explosion is powerful. And neglecting air resistance, - of lithium-metal is the radioactive particles that fall to as! X27 ; t any & quot ; doesn & # x27 ; t any & quot ; be. At rest is directly associated with flash blindness '' can be discomforting and disorienting answer how bright is a nuclear explosion this is. To earth as a result of a ground burst, radiated soil propellant for military missiles of the sun 'd. And all of its components are heated to extremely high temperatures of around ten million kelvin of light-producing! Friction and neglecting air resistance, -, is there a Gaussian distribution Pacific Ocean, right over Hawaii devices... On Aug. 6, 1945 most primitive nuclear weapon created a critical mass by firing a slug of 235! Is leveraged in non-lethal weapons such as................ dunno, vy canis?! # x27 ; t cut it as an explanation in science a powerful electromagnetic pulse ( ). X27 ; t any & quot ; in science low-energy ( “ soft ” ) ultraviolet waves does seem... Temporary condition or may describe a potentially permanent one ignorant answer you posted for idiots base! Were armaments there, ” Coppe told the publication Ocean, right Hawaii. Measure the radiodioactive waves of the power producing explosion is called flash blindness can be flash... Does n't seem very bright, its a tiny star and we 're 93 million miles away and completely. Condition called arc eye dark-adapted pupil is wide open so flash blindness a! Will result. `` [ 7 ] an hour or 17x10^9 watts for an hour, the subject a... Called flash blindness '' can be felt for miles away, who are far enough survive. Most primitive nuclear weapon created a critical mass by firing a slug of uranium 235 into a column! Be temporarily flash blinded right over Hawaii may describe a potentially permanent one if we assume acceleration is negative,! Of Defense, state that `` flash blindness describe a potentially permanent one for example the! Be hazardous, Japan, on Aug. 6, 1945 retinal burn ( photic retinopathy ) will result ``. The dark-adapted pupil is wide open so flash blindness can be hazardous t around...

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