Week 30

Fireflies use their light to "talk" and find a mate. The energy they use is converted 100% into light. In contrast, an incandescent bulb emits 10% of its energy as light and the rest as heat, a fluorescent bulb emits ~90% as light | src: https://t.co/Zfu0Ouhn42 #bugoftheweek pic.twitter.com/vkepX05FPm

— Marco Hernandez (@TmarcoH) April 16, 2023