Because fortunately for us, bioluminescent sea algae is perfect for our purposes and just happens to be for sale as a water mixture on our good ol’ friend, the internet.
The only problem is that, to get that nice blue sheen, the water has to be constantly in motion. Which is where Rober got the genius idea to make use of a flowing zen fountain. The algae in the water will, unfortunately, eventually run out of energy and thus light, but until that happens, you’ve got yourself a fantastically clever and stunning lamp to light up the night. [Mark Rober]