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Articles on Nuclear power

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Powered by hydrogen gas, fuel cell vehicles produce only water as a tailpipe emission. Friedemann Vogel/EPA

The days of the hydrogen car are already over

Hydrogen cars were heralded as an avenue towards universal green motoring, but progress has stalled in recent years.
The last operating reactor at the Zaporizhzhia Nuclear Power Plant, reactor No. 6, has been safely shut down. Xinhua News Agency via Getty Images

Cold shutdown reduces risk of disaster at Zaporizhzhia nuclear plant – but combat around spent fuel still poses a threat

The power plant’s sixth reactor has been shut down, all but eliminating the risk of a nuclear meltdown. But fighting at the site could still release radioactive material.
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.

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