October 11, 2009

神奇的竹砲

哈~~~~~,正義戰隊要保護地球囉~~~~~~

砲管的製作材料在選擇上可馬虎不得~~~~~~~

原來,是利用電土遇到水會急速揮發瓦斯氣體的原理,來讓竹砲射擊的啊

希望大家都能有所收穫囉~~~~~~
遊客家搞科學,大家下次見~~~~~~

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Personal Category: 做節目的人是呆子-- 幕後花絮 Topic: travel / domestic / north
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