What is a president?

1 : an official chosen to preside over a meeting or assembly. 2 : an appointed governor of a subordinate political unit. 3 : the chief officer of an organization (such as a corporation or institution) usually entrusted with the direction and administration of its policies.

Why is radiation so dangerous?

Radiation damages the cells that make up the human body. Low levels of radiation are not dangerous, but medium levels can lead to sickness, headaches, vomiting and a fever. High levels can kill you by causing damage to your internal organs.

Which country has biggest nuclear bomb?

The Soviet Union also tested the most powerful explosive ever detonated by humans, (“Tsar Bomba”), with a theoretical yield of 100 megatons, intentionally reduced to 50 when detonated. After its dissolution in 1991, the Soviet weapons entered officially into the possession of the Russian Federation.

What do presidents actually do?

The President is responsible for implementing and enforcing the laws written by Congress and, to that end, appoints the heads of the federal agencies, including the Cabinet. The Cabinet and independent federal agencies are responsible for the day-to-day enforcement and administration of federal laws.

What would a nuclear war be like?

A nuclear war would start fires in cities and industrial areas and pump a lot of smoke into the stratosphere above where we live. In the upper atmosphere, there’s no weather or rain to wash it out, and the smoke enveloping the earth would last for years, sending temperatures plummeting.

How does radiation kill?

Radiation damages your stomach and intestines, blood vessels, and bone marrow, which makes blood cells. Damage to bone marrow lowers the number of disease-fighting white blood cells in your body. As a result, most people who die from radiation sickness are killed by infections or internal bleeding.

How dangerous is nuclear bomb?

A nuclear weapon detonation in or near a populated area would – as a result of the blast wave, intense heat, and radiation and radioactive fallout – cause massive death and destruction, trigger large-scale displacement[6] and cause long-term harm to human health and well-being, as well as long-term damage to the …

Can cell phone radiation hurt you?

Cell phones emit low levels of non-ionizing radiation when in use. The type of radiation emitted by cell phones is also referred to as radio frequency (RF) energy. As stated by the National Cancer Institute, “there is currently no consistent evidence that non-ionizing radiation increases cancer risk in humans.

Would humanity survive a nuclear war?

Even if lethally radioactive fallout from ground bursts covered all population centers, many humans would still survive in shelters. The risks of extinction from nuclear-weapon-induced-radiation wouldn’t be complete without discussing two factors: nuclear power plants and radiological weapons.

How many nukes does the US have?

5,800 nuclear warheads

Who has the codes for nuclear weapons?

The Gold Codes are the launch codes for nuclear weapons provided to the Presidents of the United States in their role as Commander-in-Chief of the United States armed forces. In conjunction with the nuclear football, the Gold Codes allow the president to authorize a nuclear attack.

What is radiation in simple words?

Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials. The kinds of radiation are electromagnetic (like light) and particulate (i.e., mass given off with the energy of motion). Gamma radiation and x rays are examples of electromagnetic radiation.

How does nuclear radiation affect humans?

Exposure to very high levels of radiation, such as being close to an atomic blast, can cause acute health effects such as skin burns and acute radiation syndrome (“radiation sickness”). It can also result in long-term health effects such as cancer and cardiovascular disease.

How does radiation happen?

Radiation is energy. It can come from unstable atoms that undergo radioactive decay, or it can be produced by machines. Radiation travels from its source in the form of energy waves or energized particles. There are different forms of radiation and they have different properties and effects.

Can the president launch a nuke?

The United States has a two-man rule in place at nuclear launch facilities, and while only the president can order the release of nuclear weapons, the order must be verified by the secretary of defense to be an authentic order given by the president (there is a hierarchy of succession in the event that the president is …

Who are the important presidents?

Abraham Lincoln, Franklin D. Roosevelt, and George Washington are most often listed as the three highest-rated presidents among historians. The remaining places within the Top 10 are often rounded out by Theodore Roosevelt, Thomas Jefferson, Harry S. Truman, Woodrow Wilson, Dwight D.

Can the president declare war on his own?

It provides that the president can send the U.S. Armed Forces into action abroad only by declaration of war by Congress, “statutory authorization,” or in case of “a national emergency created by attack upon the United States, its territories or possessions, or its armed forces.”

What is the main cause of radioactivity?

What causes atoms to be radioactive? Instability of an atom’s nucleus may result from an excess of either neutrons or protons. A radioactive atom will attempt to reach stability by ejecting nucleons (protons or neutrons), as well as other particles, or by releasing energy in other forms.

How does a nuclear bomb kill you?

Whole body doses cause damage to epithelial cells lining the gastrointestinal tract and this combined with the bone marrow damage is fatal. All symptoms become increasingly severe, causing exhaustion and emaciation in a few days and death within 7–14 days from loss of water and electrolytes.

How long until it is safe after a nuclear bomb?

Fallout radiation decays relatively quickly with time. Most areas become fairly safe for travel and decontamination after three to five weeks.

Can phone radiation kill you?

The bulk of scientific evidence says that cellphone radiation doesn’t harm humans, according to the Food and Drug Administration: our cellphones are much more likely to kill us when we glance down at them while driving.

Will there be a nuclear war in the future?

Likelihood of nuclear war As of 2021, humanity has about 13,410 nuclear weapons, thousands of which are on hair-trigger alert. Scientists have argued that even a small-scale nuclear war between two countries could have devastating global consequences and such local conflicts are more likely than full-scale nuclear war.