1. Concept of the Exponential Law Prior to 1900
The Radioactive Decay Law
before Radioactivity
The sound of a Tornado
before the Freight Train
1978 Paper - Selected in 1991 among
“Memorable Papers from the American Journal of Physics, ”

2. L.J. Curtis, Amer. J. Phys. 46, 896-906 (1978).
Memorable Papers , Amer. J. Phys. 59, (1991)

3. ANCIENT FORMULATIONS Archimedes 300 BC
“The Sand Reckoner”Characterized all sizes by a
geometric progression in powers of (108)n
using the arithmetic progression n
“Method of Exhaustion” Seems to have integrated
dx/x by a cumbersome rhetorical procedure.
“Quadrature of the Parabola” Summed an infinite
quartering series in Proposition 23.

4. Doubling Solution to Problem 79
As I was going to St. Ives,
I met a man with seven wives.
Each wife had seven sacks,
each sack had seven cats,
each cat had seven kits.
Kits, cats, sacks, and wives,
How many were going to St. Ives?
Only me. The others were traveling from St. Ives.

5. An increased lifespan is NOT the problem!

6. TIME REVERSED HALFLIFE
GRAIN FUTURES

7. Year (1.2)0 = 1
Year (1.2)1 = 1.2
Year (1.2)2 = 1.44
Year (1.2)3 =
Year (1.2)4 =
( )/( ) x 12
= /9
= / /602

8. Fibonacci Rabbit Pens APPROACHES THE LIMIT
Ratio -> [sqrt(5)+1]/2 = 2/[sqrt(5)-1] = “Golden Section”

11. 1661

12. mg - bv = ma
a = g - (b/m)S a D t = g e -bt/m