In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.
1895年,威廉·伦琴偶

阴

管能使涂有一层氰亚
酸盐钡的薄相纸
光,甚至当阴

管和相纸分别放在不同的房间时也能
光。
辐射强度相当于你暴露在每小时一万

空气不流通温度高达摄氏50度 放射量最少一小时一
后,物理学家威廉·
。
医生很快认识到了X射线在临床诊断中
,
拍摄


