TBX (thermobaric explosives) or EBX (enhanced blast explosives), in a small, confined space, may have over twice the power of destruction. With ANFO or ammonium nitrate, they would require 1.0/0.74 (or 1.35) kg or 1.0/0.32 (or 3.125) kg, respectively. While I can't provide any numbers to back this up, I have a feeling the answers to Part 2 and Part 3 are going to be the same. The RE factor is the relative mass of TNT to which an explosive is equivalent: The greater the RE, the more powerful the explosive. 7g divided 7 bn ways would equate to about the equivalent of 40 grams of TNT per person, something like a small hand grenade each. Approximately 10 grams of antiprotons would be enough fuel to send a manned spacecraft to Mars in one month. Antimatter weapons are currently too costly and unreliable to be viable in warfare, as producing antimatter is enormously expensive (estimated at $6 billion for every 100 nanograms), the quantities of antimatter generated are very small, and current technology has great difficulty containing antimatter, which annihilates upon touching ordinary matter. You bet. Many people have proposed that we disarm all nuclear weapons to make the world safer. When a bit of matter comes into contact with its evil antimatter twin, they cancel each other out, releasing all the energy stored inside them. Both humans and bananas only produce a tiny amount of antimatter, which is why we havent all been destroyed. The asteroid belt just happens to contain a 400 km asteroid built to order, 10 Hygiea Plugging in the numbers (assuming a 17 km/sec impact) you get somewhat more than 1E28 joules, a rather significant savings compared the the gravitational potential of the earth, but still a lot of antimatter just to destroy it with a single bomb, roughly 6E10 kg of antimatter. Can antimatter projectiles work as disintegration weapons? By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Language links are at the top of the page across from the title. So it depends on how much anti-matter you have. When the antimatter starts reacting antiprotons and positrons will be kicked away, mixing with the air. Or would it be similar to a Fat Man Bomb? The positrons will meet electrons and produce 0.511 MeV gammas, but the protons meeting antiprotons will initially have a quark annihilate . So to kill all humans you need 406,900 kg of antimatter. Would one atom of antimatter be lethal if annihilated inside the brain? The solar constant of the sun is 1370 watts per square meter and Earth has a, The solar constant of the sun is 1370 watts per square meter and Earth has a cross-sectional surface area of, 2022 Hunga TongaHunga Haapai volcanic eruption, total energy produced worldwide by all nuclear testing and combat, "Tons (Explosives) to Gigajoules Conversion Calculator", "Joules to Megatons Conversion Calculator", Blast effects of external explosions (Section 4.8. [4] As such, Hui Chen of Lawrence Livermore National Laboratory dismissed concerns about antimatter bombs in 2008 as "unrealistic". If the number of Short Tons is larger than 300, you should submit USGS form 9-4040-A. $10^{32}J$ is simply the gravitational binding energy of the planet. To create antimatter you just need to create matter. Such an asteroid would boil away the oceans and transform the atmosphere into one of steam and molten rock." A blast wave unleashes a large amount of energy that causes changes in pressure and temperature along its path. For a 10 km dinosaur killer asteroid, 1 kg of antimatter should be sufficient retarget the asteroid -- actually quite a bit less would actually be needed because there are quite a few near earth objects that would need only a tiny orbital deflection to serve the purpose, the largest of these earth crossers, 1866 Sysyphus one of these objects (W/W) = (R/R). Given a pair of explosives, one can produce 2 the shockwave output (this depends on the distance of measuring instruments) but the difference in direct metal cutting ability may be 4 higher for one type of metal and 7 higher for another type of metal. Ubuntu won't accept my choice of password. The relative effectiveness factor (RE factor) relates an explosive's demolition power to that of TNT, in units of the TNT equivalent/kg (TNTe/kg). [2] Annihilation requires and converts exactly equal masses of antimatter and matter by the collision which releases the entire mass-energy of both, which for 1 gram is ~91013 joules. Why 1.810 14 joules? Privacy Policy. This wave leads to an abrupt increase in pressure. A merger of two black holes, resulting in the. ", "Beirut Blast: How does yield of 2,750 tonnes of ammonium nitrate compare against Halifax explosion, Hiroshima bombing? (On a much bigger scale to be sure -- it's not a good thing to have around the neighborhood.). The solar irradiance of the Sun every 12 hours. Source: Ian Goddard and Cockell, Charles S. Impossible Extinction. In fact you would need 2.5 trillion tons of antimatter. But I mean, I'm leaning towards Star Trek being somewhat more accurate, they gloss over how Warp Drive works in the Original Series, but by the time The Next Generation came about in 1987 they explained how Warp Drive works, and then we had a working theory on the Alcubierre Drive by 1994. This convention intends to compare the destructiveness of an event with that of conventional explosive materials, of which TNT is a typical example, although other conventional explosives such as dynamite contain more energy. The cost of creating antimatter like this makes it the world's most expensive substance. This is not the first time Big Bang thinking has led to the conclusion that the universe shouldnt exist. Check your math. Remove a chunk from a planet? I mean, in Star Trek, they use Matter/Antimatter reactions to power their starships, it's pretty powerful. The time of interaction is very short. When it hits the target the capsule breaks and the air/target get hit by the antimatter. Indiana Jones level kill you immediately radiation dosage is about 100000 rads, so that's about 290,000 kg of antiprotons spread out evenly. Unfortunately that is rather slow, so a few humans will likely survive in bunkers you don't know about, for quite a long time. Right now, antimatter - with a price tag of about $62.5 trillion per gram - is the most expensive substance on the Earth. Counting and finding real solutions of an equation. The ton of TNT is a unit of energy defined by that convention to be 4.184 gigajoules, [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT. A block in a city? The energy released by a hurricane per day during condensation. The basic principleis that so much energy is concentrated at a single point that it creates mass the mass of matter. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Comparing with nuclear weapons, this is about 50 kton TNT. We have to double the figure because that's the antimatter mass, and we're converting that mass of antimatter plus an equal mass of matter into energy. Antimatter is actually produce by all sorts of things, for instance bananas produce antimatter. Sufficiently big detonations can presumably force a bit of fusion, but it is unlikely to be self-sustaining on its own without confinement. The question you linked is about the different ways to destroy a planet, not about the amount of antimatter needed to perform the 3 tasks in my question. The explosive energy of a quantity of TNT of the. And based on what we know about this terrifying-sounding substance, the Universe probably shouldn't exist at all. Answer (1 of 3): What would happen if we detonated an antimatter bomb on Earth? How explosive is Antimatter, Really? : r/AskPhysics - Reddit Making statements based on opinion; back them up with references or personal experience. Quora - A place to share knowledge and better understand the world It was created by an international team of scientists at CERN. In other words, antimatter planets, antimatter stars or antimatter galaxies could be a thing. But it's really not that big of an explosion. It only takes a minute to sign up. Extreme caution is advised. Its easy to see why secularists, desperate to explain their existence apart from a Creator, would cling to such fantastic notions. by Weaselmancer ( 533834 ) on Monday October 04, 2004 @04:06PM ( #10432675 ) The San Francisco Chronicle is reporting that the Air Force is actively pursuing antimatter weapons. Everyone knows biking is fantastic, but only this Car vs. Bike Calculator turns biking hours into trees! Asking for help, clarification, or responding to other answers. Thanks for contributing an answer to Physics Stack Exchange! AEST = Australian Eastern Standard Time which is 10 hours ahead of GMT (Greenwich Mean Time), abc.net.au/news/antimatter-factory-physics-most-expensive-explosive-substance/101948092, Your information is being handled in accordance with the, Get breaking news alerts directly to your phone with our app, Help keep family & friends informed by sharing this article, Supplied: CERN/Maximilien Brice/Julien MariusOrdan, This man advises his clients that elections, rates and mortgages are invalid, Recreational vaping to be banned, all e-cigarettes to be strictly controlled, Treasurer refuses to confirm reported JobSeeker lift for people over 55, but says targeted support in the budget, Selling the furniture and couch-surfing: Families forced to make 'impossible' decisions amid fears inflation crisis hitting kids, US updates Russian death toll in Ukraine, Twitter glitch logs users out. But other than this probably being impossible, it may just start the race for the antimatter bomb. Ah yes, the multi-million dollar question. The neutrinos will carry away a fraction of the energy but the rest will heat the vicinity into a fireball. Antimatter is one of the costliest materials in the world. It uses a magnet to keep antimatter on the inside from interacting with the walls of the trap and exploding. We know from the show that they use Deuterium and Anti-Deuterium, so not a "complex" element compared to say, using Uranium and Anti-Uranium. A 10kg antimatter bomb would cause a gigantic 230 megaton explosion. The blast radius for the 1 kg bare explosive detonation is 130 m. This answer is obtained by using the range safety equation, based on Hopkinson-Cranz Law: R = 130 W(1/3) = 130 1(1/3) = 130 m The intensity of the blast wave front is inversely proportional to the cube of the distance. If you want to kill all humans on earth, you have a couple of options: According to this person 57 trillion annihilations at 30 cm gives you 1 rad of radiation. For instance, the antimatter equivalent to the electron is called the positron. Did you get it? Antimatter: Most Expensive Substance on Earth - Science to go You get high-energy (~100 MeV) gammas, medium-energy (e.g., 511 keV) gammas, pions, muons, and neutrinos. Antimatter is just like normal matter, except that some of its properties are opposite that of normal matter. So each 2 kg antimatter bomb (as it annihilates with 1kg ordinary matter) would have a blast similar to the Tsar Bomba, the most powerful nuclear device ever detonated in the puny humans' history. Antimatter annihilation from anti-hydrogen is surprisingly messy: it will not be pure gamma rays. A much smaller amount embedded near the heart could of course kill you but the grenade-sized amount insures fairly well you won't survive--particularly if it is applied all at once directly to the body. Also your question only speaks about blowing up a planet completely, whereas my questions number 1 and 2 only speak about killing all humans and all animals respectively which is very different (your question very clearly states near the end "I dont just want to destroy all life on the surface, I want to reduce the entire planet to rubble so that very little remains"). It's also likely the most explosive substance on the planet. In our case, we're taking the mass of earth plus the mass of the antimatter planet. $3.6567*10^{18}kJ*K^{-1} * 200K=7.31310^{20} kJ$. These collisions produce precisely equal amounts of matter and antimatter. This one bullet would be equivalent to 378 grams of TNT, which is more powerful than a modern grenade. But the point is: antimatter is the opposite of matter. - Georg Patscheider Nov 30, 2018 at 14:03 The "kiloton (of TNT equivalent)" is a unit of energy equal to 4.184 terajoules (4.1841012J). NASA - New and Improved Antimatter Spaceship for Mars Missions
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