Stirling cycle external combustion engine.
Conceived in 1816 by Robert Stirling the external combustion engine was originally designed as an alternative to the steam engine,...
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Named Alloys
A great list of all the named alloys in alphabetical order by base metal. Coins are usually made of an...
Home-made LASER
My first exposure to building a home-made laser was from this post in 2007 by Nyle Steiner, check out his...
I think I need one of these.
Wood burning hot tub from Weltevree and if you ever run out of wood you can just unscrew the side...
Remembering the Concorde
The Concorde was a joint venture between Britain and France at the time they were both developing supersonic passenger Aircraft...
So Covid-19 has you locked down?
Someone told you there is a bicycle race passing in front of your house? Not once but 7 times! No...
I’ll call him Hoppity
His real name is Salto-1P Able to jump as high as 1 meter and precise foot placement on landing. Built...
Making a demonstration pulsejet with a jar
An old project from Make magazine, if you like building interesting things a subscription to Make Magazine is a must....
