How to Make an Inexpensive DIY Sandblaster

Watching rust get blasted off of metal is always satisfying. It must be even more satisfying to do it, particularly when you’re using a self-made sandblaster. DIY’er Adam Fleisch figured out how to make one for under six bucks, using an airgun and a soda bottle, and the darn thing actually works:

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How to Make an Inexpensive DIY Sandblaster

How a Bitcoin Transaction Actually Works

At this point, you probably have a working understanding of what bitcoins are (at the very least your handle of bitcoins is like how you can kinda, sorta explain why the sky is blue to a kid). But how does an actual transaction with bitcoins work? That’s a bit more complicated. It’s not exactly pulling crumpled cash out your pocket and dropping it off at the bodega counter for a soda now is it? Read more…        

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How a Bitcoin Transaction Actually Works