Hollow nanosized needles, or nanostraws, are a promising tool for opening up tiny, temporary holes in cell membranes to deliver molecules or sample a cell’s contents. Nanostraws could also deliver ...

Not sure if this is the right place for this, but it didnt seem like it fit anywhere else so here it goes.<br><br>I'm helping a friend out with an art project, and I need to make a voltage and current ...