Biodegradable single-use cardboard drones for remote deliveries

Drones are great for some kinds of deliveries, but operators usually want to recover their costly drone. For deliveries of medicine or supplies to remote areas, it may be more feasible to use cheap drones with a programmed one-way route. That's where ASPARA (Aerial Platform Supporting Autonomous Resupply Actions) comes in. Read the rest

Make a "perpetually"-flying paper airplane

A walkalong glider is a type of model plane that's kept aloft, theoretically indefinitely, by someone walking along with it as it flies, generating rising air using a piece of cardboard, paddle, or even your body. Smithsonian Air & Space posted a template and instructions for making a simple paper walkalong glider. The plans come from a recent book by Stephen Voltz and Fritz Grobe (better known as the Mentos and Diet Coke guys) titled "How to Build a Hovercraft: Air Cannons, Magnetic Motors, and 25 Other Amazing DIY Science Projects." Read the rest