CS Lewis explored the idea of a shed with a window onto the sun. Looked at from the doorway, you see a shaft of light with dancing dust motes. But if you step i

CS Lewis explored the idea of a shed with a window onto the sun. Looked at from the doorway, you see a shaft of light with dancing dust motes. But if you step inside and become bathed in sunlight you get quite another experience. Likewise, looking at a brain from the outside, it's a squishy biological construct with some electrical stuff going on. Viewed from the inside, though: what a difference!