PHASES OF THE MOON
eight phases · a full cycle of 29.53 days
THE SOLAR SYSTEM
eight planets · size, distance, year and day
SIZE CHARTS
shoes, tops, bottoms — and a centimetre under every grid
SERUM ACTIVES
when to apply, what to keep apart in time, what the season changes
BITS, BYTES, KILOBYTES
two scales · 1000 and 1024 · why a drive looks smaller
CSS FLEXBOX
main axis and cross axis · which property belongs to which
FLOWCHART SYMBOLS
10 shapes, and one algorithm drawn with them
GIT WORKING AREAS
four areas · the command that moves code between them
HTTP STATUS CODES
five classes · twenty codes you meet every day
THE SELECT STATEMENT
8 clauses in the order you write them — and the order they take effect in
NINE DRINKS
the same coffee, different proportions
HOW MUCH COFFEE TO WATER
six methods · weight, grind, time
ARABICA AND ROBUSTA
two species, six varieties, one difference
POST-FERMENTED TEAS
six teas changed by microbes rather than oxygen
MATCHA DRINKS
six proportions · grams, millilitres, degrees
MATCHA GRADES
ceremonial, premium, culinary — what is behind the words
PUERH AGEING
sheng and shu · what the years do and when to drink
BLACK TEA
grades, six leaves and four blends · in China it is "red tea"
GREEN TEA
six leaves · water, time, number of steepings
OOLONG
from 15 to 80 % oxidation · leaf shape · seven steepings
SIX KINDS OF TEA
one plant · the oxidation scale · seven processing steps
YELLOW TEA
yellowing under a cover · the step no other tea has
THE ISO 3591 GLASS
the only wine glass with dimensions instead of adjectives
WINE TEMPERATURE
neither from the fridge nor from the room — not one of them
THE HAMBURGER
the ratios of the mince and the five steps that decide the result
NEAPOLITAN PIZZA DOUGH
four ingredients in the proportions written into an EU regulation
POUND CAKE
four equal weights — a recipe whose name is its ratio
PROTEIN IN FOODS
grams per 100 g · animal and plant · and the state each one was weighed in
ENGLISH ALPHABET
26 letters · 5 vowels · 21 consonants
GREEK ALPHABET
24 letters · names and where science uses them
THE CLOCK FACE
two hands, twelve numbers — how to read the time
NUMBERS 1 TO 100
the hundred chart · primes picked out in colour
MULTIPLICATION TABLE
1 to 12 · colour intensity = size of the product
ROMAN NUMERALS
seven symbols · ones, tens, hundreds · years
BARRE CHORDS
two shapes, twelve chords each
CIRCLE OF FIFTHS
12 keys · key signatures · relative minors
THE ELECTRIC GUITAR PICKUP
one coil or two · six builds · where it sits along the string, and how high above it
FIRST CHORDS
15 chords every beginner starts with · standard tuning E A D G B e
NOTES ON THE FRETBOARD
standard tuning E A D G B e · first twelve frets
THE PENTATONIC
three positions · the root is marked
TONEWOODS
density, hardness, export · what is measured kept apart from what is taste
THE STEREO FIELD
what stays centred · what is spread · why the low end is not panned
NOTE VALUES
from whole to thirty-second · how many fit a 4/4 bar
C MAJOR FINGERING
right and left · one octave and two
THE KEYBOARD
three octaves · every key and its note on the staff
DADGAD
D — A — D — G — A — D
DROP D
one string down · everything else unchanged
HALF STEP DOWN
every string down a semitone · same shapes