Episode Details

Now, pretty much everyone has a camera in their back pocket – in the form of a smartphone. It's easy to take hundreds of photos without needing to really consider set up or storage. And it's very hard to imagine that, at one time, capturing an image was an almost impossible process.

现在，几乎每个人的后口袋里都有一个相机——以智能手机的形式。 您可以轻松拍摄数百张照片，而无需真正考虑设置或存储。 很难想象，捕捉图像曾经是一个几乎不可能的过程。

Going back even before traditional film cameras, there were camera obscuras. These were boxes with a small hole in them. Through one side, an image could be projected onto a wall on the opposite side of the box. However, the picture was upside down, very faint, and couldn't be captured in physical form – a bit like the images we see on modern projectors. In 1839, a French artist managed to work out a way to store and save photographs. He projected the image onto a shiny metal plate treated with chemicals. These images were in black and white. The first colour photo ever taken was of a tartan ribbon. The image was composed of three black and white photographs, each taken through a red, blue or green filter.

甚至在传统胶片相机出现之前，就已经有暗箱了。 这些是上面有一个小孔的盒子。 通过一侧，图像可以投影到盒子另一侧的墙上。 然而，图像是颠倒的，非常微弱，无法以物理形式捕捉——有点像我们在现代投影仪上看到的图像。 1839年，一位法国艺术家设法找到了一种存储和保存照片的方法。 他将图像投影到经过化学处理的闪亮金属板上。 这些图像是黑白的。 有史以来拍摄的第一张彩色照片是一条格子呢丝带。 该图像由三张黑白照片组成，每张照片都经过红色、蓝色或绿色滤镜拍摄。

So, how did we get from these early photographs to the kind we put into a frame and keep? Before the 

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