What is Nuclear Energy? The Science of Nuclear Power | IAEA
WEBNov 15, 2022 · Nuclear fission is a reaction where the nucleus of an atom splits into two or more smaller nuclei, while releasing energy. For instance, when hit by a neutron, the nucleus of an atom of uranium-235 splits into two smaller nuclei, for example a barium nucleus and a krypton nucleus and two or three neutrons.
The 1986 Chornobyl nuclear power plant accident | IAEA
WEBJun 13, 2013 · On 26 April 1986, the Number Four reactor at the Chornobyl Nuclear Power Plant in what then was the Soviet Union during improper testing at low-power, resulted in loss of control that led to an explosion and fire that demolished the reactor building and released large amounts of radiation into the atmosphere. As safety measures were ignored, the uranium fuel in the reactor
International Atomic Energy Agency | Atoms for Peace and …
WEB26 September 2024 Update 251 – IAEA Director General Statement on Situation in Ukraine. Director General Rafael Mariano Grossi addressed world leaders gathered at the United Nations this week and yet, even as he informed them about the ceaseless work of the International Atomic Energy Agency (IAEA) to help Ukraine avert a nuclear accident during the military conflict, the Agency teams ...
What is Radiation? | IAEA
WEBJan 25, 2023 · Health: thanks to radiation, we can benefit from medical procedures, such as many cancer treatments, and diagnostic imaging methods.; Energy: radiation allows us to produce electricity via, for example, solar energy and nuclear energy.; Environment and climate change: radiation can be used to treat wastewater or to create new plant varieties that are resistant to climate change.
Treaty on the Non-Proliferation of Nuclear Weapons (NPT) | IAEA
WEBMay 3, 2023 · The NPT was opened for signature in 1968 and entered into force on 5 March 1970.On 11 May 1995, the Treaty was extended indefinitely. With 191 States parties, it is the most widely adhered to treaty in the field of nuclear non-proliferation, peaceful uses of nuclear energy and nuclear disarmament.
Nuclear Safety, Security and Safeguards in Ukraine | IAEA
WEBSep 23, 2024 · 24 February 2022 marked the beginning of the armed conflict in Ukraine and the first time in history that this has occurred amid the facilities of a major nuclear power programme. Numerous events, such as shelling, air attacks, difficulties with staffing levels and working conditions and losses of off-site power supply, impacted nuclear safety and security on-site.Two nuclear
Global Overview of Radioactive Waste and Spent Fuel …
WEBJan 21, 2022 · As a growing number of countries use nuclear technology to generate electricity and radioactive material for many other purposes, there is significant progress in the safe and effective management of radioactive waste and spent nuclear fuel arising from these activities, including the development of deep geological repositories (DGRs), an IAEA report has found.
What are Small Modular Reactors (SMRs)? - International Atomic …
WEBSep 13, 2023 · Small modular reactors (SMRs) have a power capacity of up to 300 MW(e) per unit. Many SMRs, which can be factory-assembled and transported to a location for installation, are envisioned for markets such as industrial applications or remote areas with limited grid capacity.
What is Fusion, and Why Is It So Difficult to Achieve? | IAEA
WEBThe sun, along with all other stars, is powered by a reaction called nuclear fusion. If this can be replicated on earth, it could provide virtually limitless clean, safe and affordable energy to meet the world’s energy demand.
Fukushima Daiichi Nuclear Accident - IAEA
WEBJan 12, 2024 · The IAEA’s Incident and Emergency Centre (IEC) received information from the International Seismic Safety Centre at approximately 08:15 Vienna Time concerning an earthquake with a magnitude of 9.0 near the east coast of Honshu, Japan’s main island.. This was followed by an accident at the Fukushima Daiichi Nuclear Power Station, which was ultimately categorized as a Level 7 — Major ...