青銅透光 (魔鏡)

是中國古代一大科技發明的複製品. 青銅製造, 直徑70mm, 厚5mm, 鏡面光亮而微凸, 可照見人, 鏡背面有圖案浮雕. 令人吃驚的是, 當一束平衡光射向鏡面而被反射到光屏上時, 光屏上形成的圓形光斑中竟有黑白相間的鏡背浮雕圖案. 其原理是光在不同曲率表面上的反射, 反射路線呈不同角度走, 詳見說明書
參考資料: I.D.B.Swinson.Chinese "Magic" Mirror, The Physics Teacher Vol 30 May1992 The Physics Teacher P295-299
Item No : JHL 618

Magic Mirror
Magic Mirror is made of brass, copy of olden mirror, very delicate engrave and grand packing.
backward of mirror is engraved of Chinese picture and text. Magic mirror is magical because of a black & white translucent image form on the surface of mirror when a beam of light focus on the mirror, why ? Reference : I.D.B.Swinson.Chinese "Magic" Mirror, The Physics Teacher Vol 30 May1992 The Physics Teacher P295-299
Item No : JHL 618

 

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