Water-floating transfer printing places ultra-thin metal nano-circuits on leaves, fruit, fibers and curved surfaces without ...
Regular readers of Hackaday will know that the projects we feature are generally of the high-tech variety. Microcontrollers, 3D printed parts, embedded Linux, lots of wires, that sort of thing. But ...
Small sensors powered only by sunlight could float in the stratosphere indefinitely and make weather-related measurements. There is a known effect for levitating flat objects with two sides called ...
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