NileRed on MSN

How to make alcohol at home (ethanol)

This is a very basic way that you can make your own DRINKABLE ethanol at home. The main premise of this video is to show just ...
IEEE

A Better DIY Seismometer: This Design is Compact But Still Detects Faraway Earthquakes

Abstract: In September of 2023, I wrote in these pages about using a Raspberry Pi-based seismometer—a Raspberry Shake—to record earthquakes. But as time went by, I found the results disappointing. In ...