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魔術:瓶子消失一部份?
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eliu
joined: 2007-08-09
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新竹, 台灣
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subject: 魔術:瓶子消失一部份?
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2010-10-24
quote
glycerine (甘油)
原理可能是甘油的折射率與玻璃一樣?
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ychao
joined: 2007-10-25
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2010-10-26
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甘油的折射率是~1.47,是跟玻璃差不多沒錯。
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