NAIL SHAPES
eight shapes at one scale · what tells them apart in millimetres
VIDEO CARRIERS
nine formats at true scale — and the frame that kept growing after the carrier stopped
BEER STYLES
colour, bitterness and strength of 15 styles from the BJCP 2021 guidelines
SUGAR IN DRINKS
how many sugar cubes hide in a glass — from water to cola, by the USDA reference
TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
COOKING SALTS
table, kosher, sea and flake: the sodium in the very same spoon — per the makers’ labels, drawn to true scale
AUDIO CARRIERS
seven carriers over a century at one scale, and what each one brought first
THE TEN CLOUD GENERA
three levels of the troposphere to one scale, and the ten genera that live in them
THE VERTICAL PLANET
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
THE FUJITA SCALE
six categories of tornado damage — and the two different winds assigned to them
THE ELECTROMAGNETIC SPECTRUM
eighteen decades of frequency · and how much of it the eye sees
THE SAFFIR-SIMPSON SCALE
five categories of hurricane wind — and how much more damage each next one does
SPECTRAL LINES
five gases on one wavelength scale, from the violet edge to the red
WHAT A TORNADO BREAKS
twenty-eight damage indicators — and the wind at which each one gives way
THE LARGEST COUNTRIES
the ten largest by surface area — as squares at true scale, each inside the next
PAPER SIZES
the A series · from A0 to A6
CAMERA SENSORS
seven sizes at one scale, with the crop factor computed from the diagonal
PETROL AND DIESEL
nine lines of comparison, and in three of them the requirement is the same for both