Topology puzzles explore patterns in space.
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Mirrors at right angles (corner reflectors) reflect light directly back to a source, so they make things more visible at night.
Do people say you’re full of hot air? Why not use it to power your brand new balloon powered car?
Will Tamblyn and Gavin Smith challenged themselves to create a 3D holographic projector – a piece of tech that only existed in science fiction.
Scientists take core samples to study layers of ice or earth and their age, composition and evidence of living organisms.
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