Keyword: Scale 4


Broselow Tape

Broselow pediatric emergency tape is a standardized color-coded tape measure to quickly relate a child’s height to its weight in emergency situations for estimating medication dosages and other medical instructions.

Scientific paper with black hole in original size

What if Planet 9 is a Primordial Black Hole? (Scholtz, Unwin)

A line moving across a window once every year / Jon-Kyle

The Ruler Project / Jiří Skála

“Rulers of altered length were distributed to professionals.”