Science & Tech

3d printing FreeCAD

Printing foldable objects

February 28, 2023 dradma 0 Comments 3d print, folding, box, FreeCAD, foldable print

I am printing a box (with a difference) for some playing cards. Here I describe my experiments at folding my 3d prints.

Psychology Philosophy General Mathematics

Third twenty in twenty – Mathematics is worthwhile

December 2, 2022 dradma 0 Comments twenty-in-twenty, learning, mathematics

One worn out argument that is often aimed at mathematics is ‘I will never use it, so what’s the point?’. Indeed, on face value, the argument has value.

Mathematics

Missing convention?

June 24, 2019June 24, 2019 dradma 0 Comments order of operation, mathematics, ambiguity

In this clip from years ago, (SPOILER ALERT…) Presh explains how sticking to the ‘operations order’ determines the correct answer to be 9. I was quite shocked at this result.