MARS
size, distances and time — computed from rotation, orbit and mass
Free
LANGUAGE FAMILIES
who is related to whom — on the numerals three and two in twenty-seven languages
Free
KINDS OF BASS
eight instruments at one scale · what each is about and how it sounds
Free
ACOUSTIC BODY SHAPES
what each one was made for · from the front room to the stage, at true scale
Free
THE MOMENT MAGNITUDE SCALE
what a single step hides: ×10 in recorded amplitude and roughly ×32 in released energy — drawn to true scale
Free
BALLS BY THE RULES
eleven sports at true relative size — circumference, mass, pressure, and who sets them
Free
THE TALLEST BUILDINGS
the ten tallest at true scale — and where the floors in them end
Free
MOTORCYCLE CLASSES
rake, trail, wheelbase and seat height — six classes drawn at one scale
Free