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LED Sea Urchins
These glowing sea urchin shells that the folks at Evil Mad Scientist Laboratories put together look pretty sweet and are really easy to make. It all boils down to this: LED throwie + sea urchin shell = glowing sea thing! Simple and effective. Nice.
Quick project: LED-lit sea urchins
Comments
11 years ago
I like the black spiny ones...

Now, if they evolved luminescence, or were genetically-modified...
L
Reply 11 years ago
Replace the spines with fibre optics?
Reply 11 years ago
did you ever see one of those "walk" ? The lurchin urchin lol
Reply 11 years ago
I liked the story about the dog over here in Australia about a year ago, that got trapped in a freezer for two days and came out alive.
Best part? His name was Krillin, so, Krillin was just Chillin'!
Reply 11 years ago
Reply 11 years ago
Warning, never try to pick those up bare handed, not matter how gently. Was a painful lesson learned.
Reply 11 years ago
No, I've been warned already. How many spines did you take?
L
Reply 11 years ago
two out of my thumb, three from the forefinger.
Reply 11 years ago
OW! Where did this happen?
L
Reply 11 years ago
Caribbean, snorkeling, not sure exactly which island. Least I knew better than to touch the lionfish ;-)
Reply 11 years ago
Oh yes, they're much worse.
L
(got fire-coral-ed in Thailand - mild)
11 years ago
There was a similar Instructable a few days ago.