two parallel rows of vertical metal tubes with hoses attached to the tops

When U.S. forces attacked Iran’s nuclear facilities[1] on June 21, 2025, the main target was metal tubes in laboratories deep underground. The tubes are centrifuges that produce highly enriched uranium needed to build nuclear weapons.

Inside of a centrifuge,

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You wake up in the morning and, first thing, you open your weather app. You close that pesky ad that opens first and check the forecast. You like your weather app, which shows hourly weather forecasts for your location. And the app is free!

But do you

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Everything in space – from the Earth and Sun to black holes – accounts for just 15% of all matter in the universe[1]. The rest of the cosmos seems to be made of an invisible material astronomers call dark matter[2].

Astronomers know dark matter

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To think about an artificial limb is to think about a person. It’s an object of touch and motion made to be used, one that attaches to the body and interacts with its user’s world.

Historical artifacts of prosthetic limbs are far removed from this

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