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Articles on Nuclear power

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A cascade of gas centrifuges at a U.S. enrichment plant in Piketon, Ohio, in 1984. Iran is using similar technology to enrich uranium. U.S. Department of Energy

Enriching uranium is the key factor in how quickly Iran could produce a nuclear weapon – here’s where it stands today

Iran’s pursuit of nuclear weapons centers on producing weapons-grade uranium. Here’s what reports about Iran enriching uranium indicate about its progress toward the bomb.
A caution sign marks the Hanford Nuclear Reservation near Richland, Wash., where plutonium for nuclear weapons was made. Jeff T. Green/Getty Images

Russia is sparking new nuclear threats – understanding nonproliferation history helps place this in context

Despite decades of progress on nonproliferation, Russia’s new threats of nuclear strikes bring to mind that convincing countries to reduce their nuclear weapons has long been very difficult.
Manufacturing a 300-ton nuclear reactor pressure vessel at a factory in Volgodonsk, Russia. Pallava Bagla/Corbis via Getty Images

Russia’s energy clout doesn’t just come from oil and gas – it’s also a key nuclear supplier

Russia isn’t a major producer of uranium, but it handles a large share of the steps that turn it into nuclear fuel. That makes it a major player in this globalized industry.
Rafael Mariano Grossi, director general of the International Atomic Energy Agency, points to the training facility hit by Russian artillery at the Zaporizhzhia nuclear power plant. AP Photo/Lisa Leutner

Russian troops fought for control of a nuclear power plant in Ukraine – a safety expert explains how warfare and nuclear power are a volatile combination

The world held its collective breath as Russian troops battled Ukrainian forces at the Zaporizhzhia nuclear power plant. The battle is over and no radiation escaped, but the danger is far from over.
A woman holds a blood-stained portrait of Russian President Vladimir Putin at a protest at the Russian Consulate in Montreal on Feb. 25, 2022. Andrej Ivanov /AFP via Getty Images

War in Ukraine is changing energy geopolitics

Russian President Vladimir Putin has used his country’s massive energy reserves effectively for political influence. But with war in Ukraine, nations are looking for ways to cut those ties.
Fusion could create more energy than any other process that could be produced on Earth. Shutterstock

Nuclear fusion: how excited should we be?

Fusion produces more energy per gram of fuel than any other process that could be achieved on Earth.

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