Mankind has been using water to mark the passage of time for thousands of years. From dripping stone pots in Ancient Egypt to the more mechanically-complicated Greco-Roman Clepsydrae, the history of ...

I built a 3D printed, scanning laser confocal microscope so I could collect 3D surface topology and profilometry data! The microscope stage is based on an OpenFlexure "Delta" stage, and the confocal ...

Stay charged on the go with any of these portable, MagSafe-compatible chargers. Here are the best iPad deals we could find -- along with a few other Apple deals we spotted. The best streaming deals: ...