i.imgur.com

DIY Paul Ion (Particle) Trap [oc] ( i.imgur.com )

The two hemispheres are electrically connected to each other and to an AC power supply, the ring is connected to the same AC supply but 180 degrees out of phase. Particles are charged and then injected into the trap, they are then alternately attracted to the ring and hemispheres causing them to oscillate and become trapped! As...

I just finished setting up Linux Mint for an old buddy of mine on his old dog of a laptop, rendering it useful once again! ( i.imgur.com )

Edit 2: to everyone suggesting an SDD: i know. Look, if this guy had enough $$$ for an SSD, he could buy a used lappy less than half the age of this one that has an ssd and 2-3x the memory....

How do you build complex shapes? ( i.imgur.com )

I've made a large number of custom prints, and all of them were created using TinkerCad. It's an amazing toolkit, stupid easy to use but versatile. That is ... until something needs a tiny adjustment somewhere. That's when I feel it would've been neat to use parametric CAD instead....

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