When US President Donald Trump recently said that Iran is ready to hand over its "nuclear dust" to the United States, the phrase caught everyone by surprise. It sounded strange, almost poetic. But behind this simple-sounding word lies one of the most dangerous materials on Earth — highly enriched uranium.

So what exactly is this "nuclear dust," and can something so powerful really be carried away like ordinary dust? Let us break it down in the simplest way possible.

What does "nuclear dust" actually mean?

Trump used the term "nuclear dust" to describe Iran's stockpile of enriched uranium, the same material that can be turned into fuel for a nuclear bomb. He believes a large part of this material is still hidden deep underground, even after American B-2 bombers struck Iran's nuclear sites last June.

Uranium, in its natural form, is a heavy metal found inside rocks. But to make it useful for nuclear energy or weapons, it has to be processed in special machines called centrifuges. These machines spin the uranium at very high speeds and slowly separate it into a purer, more powerful form. This process is called "enrichment."

Before the US and Israeli airstrikes, Iran was believed to have more than 400 kilograms of uranium enriched to 60 per cent, and nearly 200 kilograms enriched to 20 per cent. To make a nuclear bomb, this material only needs to be pushed a little further, up to 90 per cent purity.

Why call it "dust"?

The word "dust" is not scientific — it is just Trump's way of describing how fine and powdery this material looks. Enriched uranium is usually stored in the form of a gas called uranium hexafluoride, or as a solid powder. When it is in powder or small pellet form, it can look almost like grey or yellow dust. That is why the word fits, even though the material is far from harmless.

A handful of this so-called "dust" carries enough energy to light up entire cities — or, in the wrong hands, destroy them.

How can such material be carried?

This is where things get serious. Enriched uranium cannot simply be scooped into a bag. It is stored inside strong, sealed metal cylinders that are specially designed to prevent leaks and radiation exposure. These cylinders are thick, heavy, and often lined with protective material.

To move uranium safely, countries use special transport trucks, armoured vehicles, or even cargo planes. International rules set by the International Atomic Energy Agency (IAEA) require very tight security, tracking systems, and trained teams. Armed guards usually travel with the shipment.

If Iran really agrees to hand over its enriched uranium, the US and IAEA teams will have to dig through damaged tunnels, carefully collect the material, seal it in certified containers, and then transport it out under heavy protection. This process can take months, maybe even years.

Where is this "dust" hidden?

According to IAEA chief Rafael Grossi, most of Iran's nuclear material is kept at two main places, an underground tunnel at Isfahan and a storage area at Natanz. A big part of it is believed to be buried deep under a mountain, which was hit during the US strikes. Even after the bombings, experts say some centrifuges are still working, and Iran can build new underground facilities if it chooses to.

Why this matters to the world

Iran has always said its nuclear program is for peaceful use, mainly for producing electricity. But with only one working nuclear plant at Bushehr, which gives just 1 per cent of the country's electricity, many experts doubt this claim.

If Iran truly gives away its "nuclear dust," it would be a huge step towards peace. But as long as Iran keeps its centrifuges and the knowledge to enrich uranium, the fear of a nuclear weapon will not fully disappear.

In simple words, "nuclear dust" may sound small, but its impact on world peace is enormous.