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Ever place a flashlight behind your hand and watch with wonder as the light makes its way through – more in thinner areas, none where bones would be?

Like the human body, a tree may look solid but is less dense than many truly-opaque materials, leading to ideas like this carved-out wooden light bulb.

While this first model may not be terribly bright, it could be great for mood lighting, the grain standing out sharply against the brighter lines in between.

The wood was chipped out by hand before putting in an LED. While this is just a handmade prototype from Ryosuke Fukusada, the potential for mass-production seems clear – or at least, semi-transparent.