Beach sand under the microscope WILL surprise you! Posted: April 30, 2025 \| Last updated: April 30, 2025. More for You ...

test and debug SMD circuits using parts as small as grains of sand. We have seen a lot of stereo microscope hacks here at Hackaday, so it helps to take a look inside one to understand how they work.

Many have been left terrified after seeing what worst pain a human can experience looks like under a microscope.