“The more our world functions like the natural world, the more likely we are to endure on this home that is ours, but not ours alone.” Janine Benyus
Explore this firsthand when you learn about how lightening bugs AKA fireflies inspired energy-efficient lights.
Learning from them has inspired humans to make changes big and small. A global shift to highly efficient LED lights could avoid 800 million metric tons of CO2 emissions a year, equivalent to 684 coal-fired power plants.
We’ve compiled this short blog to tell you more about how fireflies inspired energy efficient lighting.
Firstly, fireflies are actually a type of beetle. They make light through a chemical reaction in their abdomen. The light created shines through a layer of their exoskeleton called the cuticle. This cuticle is made up of cell-like structures that stick out at different angles. It is these jagged scales that let out the most light. This is the important discovery in how fireflies inspired energy-efficient lights.
Lightening Bug Love Signals
Lightening bug flashes are part of a complex system of insect courting. Typically, male fireflies use distinctive patterns of flashing while in flight to send signals to females down on the ground. The female will signal back with a distinctive flash to confirm they are part of the same species. You see, each species has a unique flashing pattern of communication. There are around 2,000 different species of fireflies.
Using Designs Found in Nature to Solve Problems.
Lightening bugs inspired Belgian physicist Jean-Pol Vigneron while conducting research in Central America. Upon closer inspection, he noticed that the jagged misfit scales of the fireflies abdomen are where the most light gets out. The tips of these scales protrude like the tilted roof of a factory. Biomimicry is the practice of using designs found in nature to solve human problems. This is how fireflies inspired energy-efficient lights.
How Lightening Bugs Inspired Energy-Efficient Lights
Did you know that nearly 100% of a firefly’s glowing energy is given off as light?
Originally in a standard lightbulb, 10% of the energy is light while the other 90% is given off as heat.
What a waste of energy!
Consequently, scientists applied a jagged over layer on top of a standard LED bulb with light-sensitive material and then used a laser to create the triangular factory roof profile.
This increased light extraction in LED’S by more than 50%!
Lighting accounts for 15 percent of global electricity consumption and 5 percent of worldwide greenhouse gas emissions.
The lessons we learn from fireflies aids in the development of LED’s and an energy-efficient lighting revolution.
Don’t forget to dispose of old lightbulbs safely.
😱 For instance, one tube-style fluorescent light bulb contains enough mercury to contaminate 5000 litres of water.
❗️ Each year, between 200 and 400 kg of mercury comes into the environment from lamps that are thrown into landfills.
In 2017, 34% of Canadian households reported they throw CFLs directly into the garbage.
Pssst. Keep illuminating your insect knowledge by reading our other blog ” 7 Things You Didn’t Know About Ladybugs“
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