Units and dimensions and mach numbers
Alligator eggs and federal debt
Controlling growth and perceiving spread
Little things falling from the sky
Big things falling from the sky
Towing and melting enormous icebergs : part I
Towing and melting enormous icebergs : part II
A better way to score the Olympics
How to calculate the economic energy of a nation
How to start football games, and other probably good ideas
Gigantic numbers and extreme exponents
Ups and downs of professional football
A tower, a bridge, and a beautiful arch
Jumping ropes and wind turbines
The crisis of the deficit : Gompertz to the rescue
How to reduce the population with differential equations
Shot puts, basketballs, and water fountains
Balls and strikes and home runs
Hooks and slices and holes in one
Happy landings in the snow
Water waves and falling dominoes
Something shocking about highway traffic
How fast can runners run?
