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History of Computers - Hardware.
The history of computing probably began with primitive man using pebbles
to compute the sum of two amounts. Marshack (of Harvard)
found that what had believed to be mere scratches on old bones
from cave man days were in fact carefully scribed lines apparently
connected with the moon’s phases. The famous Stonehenge on the
Salisbury plain in England had three building stages, 1900-1700, 1700-1500,
and 1500-1400 B.C., and were apparently closely connected with astronomical
observations, indicating considerable astronomical sophistication.
Work in archeo-astronomy has revealed that many primitive peoples had
considerable knowledge about astronomical events. China, India, and Mexico
were prominent in this matter, and we still have their structures that we
call observatories, though we have too little understanding of how they were used.
Our western plains have many traces of astronomical observatories that were used
by the Indians.
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