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Elementary Particles (table)

(Encyclopedia)Elementary Particles Leptons Quarks1 Gauge Bosons Some Sample Hadrons For each of these particles, except the photon, gluon, and Z-boson, there is an antiparticle with the same mass and op...

Morse Code (table)

(Encyclopedia)Morse Code International Morse Code American Morse CodeThe American Morse differs in the following symbols: ...

Geologic Timescale (table)

(Encyclopedia)Geologic Timescale 1 Not an era but the time preceding the Cambrian. ...

T'ang, Chinese dynasty

(Encyclopedia)T'ang täng [key], dynasty of China that ruled from 618 to 907. It was founded by Li Yuan and his son Li Shih-min, with the aid of Turkish allies. The early strength of the T'ang was built directly up...

Han, Chinese dynasty

(Encyclopedia)Han hän [key], dynasty of China that ruled from 202 b.c. to a.d. 220. Liu Pang, the first Han emperor, had been a farmer, minor village official, and guerrilla fighter under the Ch'in dynasty. During...

Radio Frequencies (table)

(Encyclopedia)Radio Frequencies

Trigonometric Functions (table)

(Encyclopedia)Trigonometric Functions

Holy Roman Emperors (table)

(Encyclopedia)HOLY ROMAN EMPERORS(including dates of reign) Saxon dynasty Salian or Franconian dynasty Hohenstaufen dynasty and rivals Interregnum, 1254–73 Hapsburg, Luxemburg, and other dynasties ...

Periodic Table of the Elements (table)

(Encyclopedia)Periodic Table of the Elements (showing atomic number and atomic symbol; click on atomic symbol for more detailed information) Lanthanide Series(Rare Earth Elements) Actinide Series(Radioactive Rar...

Elements (table)

(Encyclopedia)Elements 1 Parentheses indicate most stable isotope; brackets enclose lower and upper bounds of weight variation. ...