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73Do you use Vacuum thermos
by jim.sheng
It's freezing today, lets have a nice cup of tea. You turn the tap and water flushes into your kettle, plug into socket, then the kettle start sizzling and then make loud noises, and water begins boiling. Then... published 5 months ago
66Global warming, Doomsday vault, and the falling sky
by jim.sheng
An ancient Chinese fable story tells about a man from Qi who was worried about falling sky and sinking earth. His friend came to calm him, and told him that the sky is nothing but air and needn't to worry... published 5 months ago
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