![A streetlamp powered by … algae?](https://i0.wp.com/blog.ted.com/wp-content/uploads/sites/2/2013/10/tumblr_mtmtn86wur1qedf7ko1_1280.jpg?resize=283%2C212&ssl=1)
A streetlamp powered by … algae?
The glowing, neon green lamp you see above is the invention of French biochemist Pierre Calleja, who had the crazy idea of using algae to power otherworldly, tube-shaped streetlamps that double as homes for this growing gloop. In a talk at TEDxLausanneChange, he explains the process behind the invention. You may remember photosynthesis from biology class — if not, Wikipedia will […]