James Stanley

Posts tagged 'science'

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Chassis Design with Finite Element Analysis in FreeCAD »

Tue 7 January 2020

Finite Element Analysis is a way to calculate the stresses and strains on an object in various load conditions. The object is modelled as a series of "finite elements" (in our case triangles), and then we specify the locations of points that can't move (fixed points), and the locations, magnitudes, and directions of forces that are present. Read more »

Home 3d metal printing: first results »

Mon 12 August 2019

A couple of weeks ago I learnt about an interesting 3d metal printing process, from a company selling it for $100k USD, and speculated that it might be DIY-able for much less. Well I now have some promising first results. Read more »

Towards a Better Pythagorean Cup »

Fri 4 January 2019

There was an article on Hacker News the other day by David Richeson entitled Make Your Own Pythagorean Cup. A Pythagorean cup is a cup with a built-in siphon. Supposedly invented by Pythagoras, the cup functions just like an ordinary cup as long as it is only filled to a certain level. If anyone gets greedy and tries to take too much wine, the level rises above the top of the siphon, which causes the siphon to self-start, and the greedy person is punished by having the entire contents of the cup dumped into their lap. Read more »

Flat Earth and the Coriolis Force »

Sun 9 December 2018

I've been learning about "flat-Earthers" recently. They're a fascinating group of people who genuinely believe that the Earth is flat and that governments, scientists, and industry are in on a big conspiracy to trick everyone into thinking the Earth is round. Read more »

On the design of a herb jar lid »

Mon 27 June 2016

My herb jar lid has two operating modes: one has small holes which allow you to shake the herb out slowly, and the other is a single large hole which allows you to shake the herb out quickly. Read more »


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