Cyborg fish grow electrodes in their brains and fins
A gel that turns into an electrode once inside the body might end the need for invasive implantation surgeries.
German scientists 3D print objects with “acoustic holograms”
By using shaped ultrasound, researchers in Germany have developed a way to 3D print objects in one shot.
5 things you didn’t know GPS could do
You’d be surprised at all the things that GPS — the global positioning system that underlies all of modern navigation — can do.
By Alexandra Witze | Knowable Magazine