People make reference to an almost limitless variety of tangible objects in the narrations of their early recollections. Yet, from this world of things an individual is only able to attend to a few ...
Figurines that just won't stay standing are the bane of a collector's existence, but spare a thought for hobbyists who design and 3D print their own models, only to find they keep toppling over. Now a ...
Researchers at the Universities of Sussex and Bristol, in collaboration with Ultrahaptics, have now built a working tractor beam that uses high-amplitude soundwaves to generate an acoustic hologram ...