Fly Fire Fly
I was so excited to see tiny flying stars on our night walk - the lightening bugs have arrived! I can catch a star, and hold it in my hand! Fireflies make light using a process called bioluminescence. It is a very efficient process, where 90% of the energy a firefly uses to create light is actually converted into visible light. For comparison, an incandescent electric bulb can convert only 10 percent of total energy used into visible light, and the remainder is emitted as heat.
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