How far can Russia's biggest bomb go?

Russia's biggest missile, the RS-28 Sarmat ICBM, has a range of up to 18,000 km (11,000 mi), capable of reaching anywhere on Earth, while its biggest bomb, the Tsar Bomba (a hydrogen bomb tested in 1961), was a massive device whose blast wave circled the globe, but it wasn't a long-range delivery weapon, just a demonstration of extreme power.

Could the Tsar Bomba destroy a city?

If such a weapon exploded in a large American city such as New York, Chicago, San Francisco, or Washington, D.C., their metropolitan areas plus large portions of their surrounding suburbs would be completely destroyed and nearly devoid of all life.

How many miles does nuclear fallout spread?

Nuclear fallout can travel from local areas (10-20 miles) to hundreds of miles downwind, carried by wind and varying particle sizes, with smaller particles reaching globally; weather, detonation type (ground burst makes more), and particle size dictate the spread, creating dangerous, contaminated zones far beyond the immediate blast, even around the world via the stratosphere. 

How far could the Tsar Bomba be felt?

The Tsar Bomba (50 Megaton) caused immediate devastation within a massive radius, vaporizing everything within ~30-40 miles, causing severe damage (demolishing brick buildings) up to ~100 miles, and its fireball was seen for over 600 miles, with the shockwave circling Earth three times; while it was an airburst designed to minimize local fallout, it still spread fallout across the Northern Hemisphere, though much less than a ground burst, with significant heat effects felt 170 miles away. 

What is the maximum range of a nuclear missile?

Nuclear missile ranges vary significantly, from tactical (short-range) under 1,000 km (620 mi) for battlefield use, to intermediate (IRBMs) 1,000-5,500 km (620-3,400 mi) for regional threats, and intercontinental (ICBMs) over 5,500 km (3,400 mi) for global strikes, with some ICBMs like Russia's R-36M reaching up to 16,000 km. These ranges are categorized by type, with ICBMs forming the backbone of strategic nuclear deterrents.
 

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Can the United States shoot down a nuclear missile?

Yes, the U.S. has systems to shoot down some incoming nuclear missiles, primarily the Ground-based Midcourse Defense (GMD) for ICBMs and Aegis/THAAD for shorter-range threats, but these are designed for limited attacks (like from North Korea), not overwhelming barrages from major powers like Russia or China, and their reliability against complex modern warheads is questioned by experts. 

Who has 90% of the world's nuclear weapons?

Number of nuclear warheads worldwide 2025

There were approximately 12,200 nuclear warheads worldwide as of January 2025, and almost 90 percent of them belong to two countries: Russia and the United States.

Where is the safest place to live in the US if there is a nuclear war?

There's no single "safest" place, but the best strategy is distance from targets (like military bases or cities) and finding immediate, deep shelter underground or in the center of large concrete buildings to block radioactive fallout, then staying put for days as radiation decays rapidly, according to FEMA, HHS, ICRP, and Ready.gov. Key principles: Go deep (basement/subway), stay central (away from walls/roof), stay put (24+ hours), and have supplies. 

What is the 2 man rule nuclear?

The two person rule is a security protocol designed to prevent any single individual from having exclusive access to nuclear weapons and certain sensitive components. This rule mandates that at least two authorized personnel must be present during operations that allow access to these critical items.

How far do I need to be to survive a nuclear blast?

If you're lucky enough to be more than 30 to 40 kilometers (18–25 mi.) away, indoors, and upwind from the blast, you might survive the initial impact. But that's just the beginning. A 2019 simulation found that a large-scale nuclear war could trigger a planet-wide nuclear winter in a matter of days.

How long after nuclear fallout can you go outside?

THE NEXT 48 HOURS. You have been sheltered because of the potential for dangerous levels of radiation in the first 24 hours following a nuclear detonation. After 24 hours, outdoor radiation levels will have fallen significantly but may still warrant protective measures in your area.

What is the 7 10 rule for nuclear fallout?

A basic rule for easily predicting approximate future exposure rates is called the "7-10 Rule of Thumb." This rule, based on exposure rates determined by survey instruments, states that for every seven-fold increase in time after detonation of a nuclear device, there is a 10-fold decrease in the radiation exposure rate ...

Will cars work after a nuclear bomb?

Generally, inactive electrical equipment is safe from EMP, but cars have multiple active little cpu's in them that keep powered up. They would likely be destroyed and need replaced. Even cars from the 1980's can have little CPU's in them, but earlier than that should be safe.

How long would it take the Earth to recover from a nuclear war?

Recovery would probably take about 3-10 years, but the Academy's study notes that long term global changes cannot be completely ruled out. The reduced ozone concentrations would have a number of consequences outside the areas in which the detonations occurred.

What was Oppenheimer afraid of?

J. Robert Oppenheimer was afraid of the devastating power of the nuclear weapons he helped create, particularly the potential for nuclear holocaust through an unchecked arms race and the moral implications of unleashing such destruction, famously stating, "The physicist has known sin," after the Trinity test and later opposing the hydrogen bomb due to fears of escalating global conflict. His fears ranged from the theoretical possibility of the bomb igniting the atmosphere (which was calculated as near-zero) to the very real threat of nuclear war between superpowers during the Cold War.
 

What did Einstein warn about the atomic bomb?

Since I do not foresee that atomic energy is to be a great boon for a long time, I have to say that for the present it is a menace. Perhaps it is well that it should be. It may intimidate the human race into bringing order into its international affairs, which, without the pressure of fear, it would not do.

Who guards the US nuclear weapons?

Created in 2000, the Department of Energy's (DOE's) semi-autonomous National Nuclear Security Administration (NNSA) is responsible for managing the U.S. stockpile of nuclear warheads that the Department of Defense (DOD) mounts on a triad (missiles, bombers, submarines) of U.S. nuclear delivery vehicles.

Has anyone survived two nukes?

Yes, many people survived the atomic bombings of Hiroshima and Nagasaki, known as hibakusha (bomb-affected people), enduring immense physical and psychological trauma, radiation sickness, discrimination, and long-term health issues like cancer, though thousands died later from these effects. There were even rare "double survivors," like Tsutomu Yamaguchi, who were present for both devastating attacks.
 

Is the US able to shoot down a nuclear missile?

Yes, the U.S. has systems to shoot down some incoming nuclear missiles, primarily the Ground-based Midcourse Defense (GMD) for ICBMs and Aegis/THAAD for shorter-range threats, but these are designed for limited attacks (like from North Korea), not overwhelming barrages from major powers like Russia or China, and their reliability against complex modern warheads is questioned by experts. 

Where to hide during war?

Underpasses, subways, shelters, ditches, trenches, pits, wide gutters under the road, high curbs, or maintenance holes are suitable for hiding. If the shelling catches you on public transport, demand an immediate stop and get out. Run as far away from the road as possible and lie down on the ground.

What countries will help us in WWIII?

Likely allies include NATO members, especially those in Europe close to Russia, and Asia-Pacific partners like Japan, South Korea, Australia, and the Philippines. These alliances are shaped by shared strategic interests and mutual defense commitments, particularly in response to threats from Russia and China.

Will my house protect me from nuclear fallout?

Yes, a house can offer significant protection from nuclear fallout, especially if you shelter in a basement or an interior room, stay away from outer walls/roof, and seal windows/vents, as dense materials like brick, concrete, and earth block harmful radiation, with the key being distance, shielding, and time. Your home acts as your first defense, with basements providing the best natural shielding, but you must stay inside for at least 24 hours or longer, until authorities say it's safe.
 

Do any countries secretly have nukes?

India, Israel, and Pakistan never signed the NPT and possess nuclear arsenals. Iraq initiated a secret nuclear program under Saddam Hussein before the 1991 Persian Gulf War. North Korea announced its withdrawal from the NPT in January 2003 and has successfully tested advanced nuclear devices since that time.

What is the deadliest weapon in the world?

The "deadliest" weapon depends on the criteria (single event vs. total kills), but nuclear weapons, especially modern thermonuclear ones like Russia's Satan 2 (RS-28) or the historic Tsar Bomba, are the most powerful for mass destruction, capable of wiping out cities. Historically, artillery and small arms (like guns) have caused the most fatalities over time, while biological/chemical weapons, though less used in modern times, pose extreme threats. 

Who gave Israel nuclear weapons?

France was the primary foreign power that helped Israel develop its nuclear weapons program by building the Dimona reactor and providing technical assistance in the 1950s and 60s, though Israel also obtained materials and intelligence from other sources, including the U.S., through clandestine means. Israel has never officially confirmed its nuclear arsenal, maintaining a policy of "nuclear opacity," but it's widely accepted to possess them, developed secretly since the mid-1950s.