Topics from December 2016
- What is Polaroid photography?
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- What is Quartz clock?
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- What is Relativity?
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- What is SETI?
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- What is Solar wind?
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- What is Stainless steel?
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- What are Sunspots?
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- What is Superconductivity?
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- What is Teflon?
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- What is Ultrasound?
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- What are Vaccines?
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- What are Plastics?
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- What is Plastic money?
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- What is Photovoltaics?
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- What is Pacemaker?
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- What is Ozone hole?
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- What is Optical fibre?
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- What is Nuclear waste?
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- What is Nitrogen fixation?
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- What is Mutation?
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- What is Magnetic storm?
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- What is MRI?
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- What is LPG?
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- What is Liquid crystal?
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- What is Hydroponics?
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- What is hologram?
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- What is Quicksand?
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- What is Radio telescope?
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- What is Remote control?
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- What is Heatstroke?
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- What is Global warming?
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- What is Genetic engineering?
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- What is Gene therapy?
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- What are Fullerenes?
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- What are Composites?
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- What is Cholesterol?
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- What is Catalytic converter?
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- What is Cancer?
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- What is Biopsy?
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- What is Biodegradation?
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