Articles on Size, Scale and Estimation – Page 3

3 min read
Why do old eggs float while fresh ones sink?
Why old eggs float: moisture escapes through shell pores, enlarging the air cell. Learn what the float test reveals about age and safety.
September 24, 2026
4 min read
Why can’t insects grow to human size?
Meet Meganeura, a prehistoric insect with a 70 cm wingspan, and learn why oxygen moving through branching air tubes becomes harder as bodies grow.
September 24, 2026

Download

Put your sense of scale to the test

Magnitudle is a game about the real size of things. Rank them, pick the biggest and resize them to real scale, then see the answer drawn to scale.

Free on iPhone and Android

Scan with your iPhone camera to get the app

Scan with your Android phone to get the app