I wired my tree with 500 LED lights and calculated their 3D coordinates.

My 500-LED xmas tree got into Harvard.

I run untested, viewer-submitted code on my 500-LED christmas tree.

The Parker Machine: it's 80% accurate.

Someone improved my code by 40,832,277,770%

Stand-up comedy routine about Spreadsheets

Four has Four Letters

I designed a silly but semi-functional computer.

The Minecraft boat-drop mystery

The Difference of Two Squares

What was the first (known) maths mistake?

Making efficient Platonic and Archimedean shapes in a kaleidoscope

What's the story with log(1 + 2 + 3)?

Jimmy Carr's Darkest Material UNCUT | Jimmy Carr

The Greatest Maths Mistakes | Matt Parker | Talks at Google

How did the 'impossible' Perfect Bridge Deal happen?

Why does this balloon have -1 holes?

Can the Same Net Fold into Two Shapes?

How many 3D nets does a 4D hypercube have?

How lucky is too lucky?: The Minecraft Speedrunning Dream Controversy Explained