Learn how to build an RFID attendance system with Raspberry Pi Pico and MFRC522. Complete step-by-step guide with code, wiring, and explanation.
Learn about dry ice and its fascinating properties in this easy-to-understand school project report. Discover how dry ice sublimates into gas, creates fog, and even puts out a candle, all through a fun and safe science experiment for students!
Have you ever wondered if something can be both a solid and a liquid at the same time? Surprisingly, it can—when that something is quicksand! Quicksand might seem like solid ground, but it acts more like a liquid, which is why if you try to walk on it, you won’t just sink—you might find yourself…