Pi’s ancient roots: Egyptians and Babylonians used pi over 4,000 years ago, long before it was named in the 18th century. Everyday science tool: From calculating spacecraft trajectories to designing ...

Abstract: Characterizing three-terminal semiconductor devices is critical for optimizing analog circuit designs and enhancing system performance. The system is developed for an economical, portable, ...

Why this exists: Amazon shows return-by dates only inside the orders page, not in any API or notification. It's easy to forget you have 30 days to return something until day 31. This project scrapes ...

A small system that scrapes your Amazon order history daily and surfaces items whose return window is closing soon — as a Home Assistant dashboard tile and an iOS notification. Why this exists: Amazon ...