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I think the words being look for here are analogy rather than essential. The essence of a bicycle is not a motorcycle with a human motor. However, that is a ve

• NoZebra120vClip 3y ago
  I appreciate the agreeable answer, but it's also worth noting that the bicycle came first in its simplicity, and so the correct framing is that a motorcycle is a bicycle with an internal combustion human. So how did cameras start? Well, the word is literally Latin for "room" because a man would go into a small, darkened room with only a pinhole opening at one end, and he could observe an image projected on the far wall. So the original "camera obscura" had no lens or sensors at all! It was essentially a refractive element and a screen. The observer could then paint or draw according to the projected image he perceived with the image sensors in his eyes.