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quantum computing

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Space

Reality guide: Six problems physics can't explain

From the dark energy ripping the cosmos apart to the part consciousness plays in creating reality, quantum physics and cosmology retain many mysteries

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Space

Reality guide: Six radical ideas to change physics

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Space

Reality guide: The essential laws of quantum physics

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Physics

Quantum teleportation over 7 kilometres of cables smashes record

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Technology

Computers that can argue will be satnav for the moral maze

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Physics

Five particles that don't exist – yet could change our world

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Physics

Lessons in reality from particles that don't exist

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Technology

Revealed: Google's plan for quantum computer supremacy

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Humans

Metaphysics special: What is reality made of?

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Humans

Metaphysics special: What is the meaning of life?

Your life may feel important to you, but does it have meaning? It's the biggest of all questions – and it has more than one answer

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Humans

Metaphysics special: Do we have free will?

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Physics

Metaphysics special: Why is there something rather than nothing?

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Humans

Metaphysics special: Is time an illusion?

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Technology

Move over silicon: Machine learning boom means we need new chips

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