A couple weeks ago we shared a story about how robots are delivering pizzas on college campuses. This week, robots are at it again, but this time they aren’t delivering pizza, they’re saving fish populations. Mosquitofish, an invasive species, have expanded rapidly in lakes and … [Read more...] about For native fish populations, a robot invasion may be a good thing
While solar cells are an efficient source of renewable energy during the day, currently there is no similar renewable approach to generating power at night. Solar lights can be outfitted with batteries to store energy produced in daylight hours for night-time use, but the … [Read more...] about This device generates renewable electricity from the cold dark air
In today’s connected world, wireless data has become a critical utility: an invisible element of our modern infrastructure that increasingly underpins many of the services upon which we rely. But there’s a problem. The radio spectrum upon which much of our connectivity depends … [Read more...] about Connecting over light waves? How LiFi will change communications
Today the world produces over 300 million tons of plastics every year. That’s almost equivalent to the weight of the entire human population. The vast majority of this is single-use and not designed to be recycled, ending up in landfills or sloughing off in the natural … [Read more...] about Researchers turn single-use plastics into kayaks and canoes
It turns out cities focused on people, rather than vehicles, are cleaner, quieter, have more public space, and even help you live longer. One city in Spain is showing the rest of the world how this might be done. Barcelona is revolutionizing city planning by taking areas … [Read more...] about What do cities look like when they are built for people, not cars?