Electronics engineers have designed their own type of sensor that emulates the free-floating ability of dandelions to hang in the air and disperse through the wind
Blowing dandelion seeds into the wind isn't just a pretty little way for kids to waste away a warm afternoon outside. They’re also an exceptionally effective way for certain species of plants to spread their seeds far and wide. Inspired by this evolutionary innovation, electronics engineers have just designed their own type of sensor that emulates the free-floating ability of dandelions to hang in the air and disperse through the wind.
The new sensors, adorned in a brilliant gold color, have a mass of about 30 milligrams, so they are heavier than the average dandelion seed. But they still have to travel about 330 feet in a light breeze when released in the air. They operate without batteries, powered instead by tiny onboard solar panels, and are able to collect and send back data up to 200 feet away.
The main idea behind these sensors is that they could be a very inexpensive and easy-to-deploy approach to look at smaller, subtler changes in the climate or ecology that can’t be seen using satellites or static ground equipment. We could use this technology to help inform how farmers grow crops, or prepare a community against dangerous weather events.
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