Author Archives: physnoct

Globe earth and the horizon experiment

For a person with eye level at 6 feet, the horizon would be 0.0419° below eye level. To do an experiment to test this, we need a way to measure very small angles. A very cheap and easy way is … Continue reading

Posted in flat earth (debunking) physics | Tagged , , | Leave a comment

The moon and the globe earth

I took this picture of the moon a few days ago. From the angle of the moon, we can see that the sun’s light comes from “below the flat earth disk”. This wouldn’t fit with a flat earth model, for … Continue reading

Posted in flat earth (debunking) physics | Leave a comment

Some (unsuccessful) experiments with magnetic bearings

In the confrontation of the globe earth and flat earth models, still believed by many religious oriented people or uneducated conspirationists, the flat earth supposedly doesn’t rotate, because we can’t feel it. It doesn’t occur to flat earthists that the … Continue reading

Posted in flat earth (debunking) physics, Physics | Tagged , , , , , | Leave a comment

Water does stick to a “ball”!

Recently, NASA showed a video of an astronaut washing his head. While the guy was bald, this was an interesting demonstration often requested by flat earthers. Flat earthers say ‘water seeks its level’ and so on. They don’t believe gravity … Continue reading

Posted in flat earth (debunking) physics | Tagged , , , , | Leave a comment

Assembler trick: inline strings

Quite often, we need to send strings to a computer. Usually, there is a section in your code where you define the message with a label: ;string is terminated with null MsgHelloWorld: .asciz “Hello World!\r\n” ;subroutine to print strings putstr: … Continue reading

Posted in assembler, Software, Z80 | Tagged , , , | Leave a comment

Can a rock reflect light?

Many flat earth advocates mention that the moon emits its own light because rocks “don’t reflect light”.  I’ve done an experiment. Here’s a decent rock. Not black, not white, just a reasonable gray. The experiment setup: a white melamin board … Continue reading

Posted in flat earth (debunking) physics | Tagged , | Leave a comment

AVR Man and Wasteman

For those reading my previous post, I’m still alive! (And human!) While I’m tinkering with various processors, one of my favorites is the Atmel microcontrollers. A while ago, they had some comicbook style hero called AVR Man and his nemesis … Continue reading

Posted in Electronics, Texts | Tagged , , , | Leave a comment