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Why can't we walk through walls if atoms are mostly empty space?Most of an atom is empty space, so why does some matter feel solid? Two physics principles explain why.
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Where do atoms come from? A physicist explains.Almost everything on Earth is made up of atoms, but where do these fundamental building blocks come from?
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Why isn’t an atom’s nucleus round?The nuclei of atoms are often portrayed as round in textbooks, but it turns out they're rarely spherical.
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Solar wind might be making water on the moon, groundbreaking NASA study revealsLunar samples show evidence that solar wind could be behind the water molecules on the moon's surface, according to NASA. The results could shine a light on how water ice collects in cold traps formed by patches of permanent darkness at the moon's poles.
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Futuristic, 'alien-like' nuclear fusion rockets developed in total secret could revolutionize space travel — if they actually workU.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half. But not everyone is convinced.
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Earth grew an extra, never-before-seen 'radiation belt' after last year's supercharged solar storm — and it's probably still thereData collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged geomagnetic storm in May 2024, including a never-before-seen structure that is "likely still there today," researchers say.
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Scientists just got 1 step closer to creating a 'superheavy' element that is so big, it will add a new row to the periodic tableScientists have discovered a new way of creating superheavy elements by firing supercharged ion beams at dense atoms. The team believes this method could potentially help synthesize the hypothetical "element 120," which would be heavier than any known element.
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Rare, mystery blasts from sun can devastate the ozone layer and spike radiation levels on EarthThe vibrant auroras from earlier this year have a darker side that scientists are still uncovering.
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What is the strong force?Reference The strong force is one of the four fundamental forces of nature. Learn how it fits into the Standard Model of particle physics.
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