Engineering, and gadgets: things that make the world work.
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What oil viscosity is best for a car engine?
Started by 24 blacberry road |
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Pressurizing using gravity
Started by 780relledge |
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How many times would our roads circle the Earth's circumference?
Started by @gerardomarina |
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Why do I need less water to cook more eggs?
Started by @schmoc |
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When someone phones my mobile, how does it know where I am?
Started by @simpsonpg |
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What causes a light bulb to burn out?
Started by abbey |
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What travels along a phone line during a conversation?
Started by Abigail |
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