Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Domain | Definition |
Energy | The time required for the amount of a radioactive element deposited in a living organism to be diminished 50% as a result of the combined action of radioactive decay and biological elimination. (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)45 46 46 45 43 54 49 56 45      48 41 4C 46 4C 49 46 45 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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Binary Code (1918-1938, probably earlier) (references)01000101 01000110 01000110 01000101 01000011 01010100 01001001 01010110 01000101 00100000 01001000 01000001 01001100 01000110 01001100 01001001 01000110 01000101 |
HTML Code (1990) (references)E F F E C T I V E   H A L F L I F E |
ISO 10646 (1991-1993) (references)0045 0046 0046 0045 0043 0054 0049 0056 0045      0048 0041 004C 0046 004C 0049 0046 0045 |
Encryption (beginner's substitution cypher): (references)39404039375443563924235464046434039 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.