The ETH Zurich quadcopter folks have added to their already impressive collection of videos of cooperative, autonomous quadcopters doing exciting things (previously) with this video of the adorable little gizmos throwing and catching balls together.
Cooperative Quadrocopter Ball Throwing and Catching - IDSC - ETH Zurich
To toss the ball, the quadrocopters accelerate rapidly outward to stretch the net tight between them and launch the ball up. Notice in the video that the quadrocopters are then pulled forcefully inward by the tension in the elastic net, and must rapidly stabilize in order to avoid a collision. Once recovered, the quadrotors cooperatively position the net below the ball in order to catch it.
Because they are coupled to each other by the net, the quadrocopters experience complex forces that push the vehicles to the limits of their dynamic capabilities
All through 2016, Jessica Leigh Clark-Bojin (aka @ThePieous) has sent us a stream howtos for of amazing, artistic pies — an HR Giger pie, a James Bond pie, and a Predator pie. Now she’s kickstarting a set of pie templates to help you make perfect pop-culture pastry in your own kitchen.
It’s free for anyone to take, and Finns can get credit at the Open University of University of Helsinki (yes, that’s what it’s called).
Though Everfair is Nisi Shawl’s debut novel, it’s also been a hotly anticipated book for years, as Shawl is the co-author of Writing the Other, a seminal book about diversity in prose; and is a much-respected critic and teacher. The book was worth the wait.
TV antennas are making a comeback, and the Ghost Indoor HDTV antenna is a great example of why. Unlike the old bunny ear-style antennas, this compact antenna is barely noticeable and picks up channels easily. Plus with the addition of streaming services like Netflix, we find ourselves with plenty to watch without a pricey monthly cable bill. The Ghost […]
I’ve never really felt the need to purchase a smartwatch because a lot of them aren’t very functional, but at just shy of $30, the Martian Notifier Smartwatch was worth checking out. For that low of a price, it actually does feature an impressive amount of functionality, and comes in handy when you don’t want to be carrying around your […]
Geek Fuel is a subscription delivery service that caters to those of us that love comics, gaming, and general geek culture. Every month, Geek Fuel will assemble a box of goodies with a value of $50 or over. The specific items are a mystery, but you’ll always get an exclusive t-shirt not found anywhere else, a full […]