[sparklite2]

Fascinating. I’m hoping to get that book for father’s day.

[PIF]

Some links to Temple's sites and books:
The Sphinx Mystery
The Crystal Sun (the use of optically ground crystals lenses in the ancient world)
The Egyptian Dawn

Another interesting author is Chis Dunn who looks at the whole of ancient Egypt from an engineering, manufacturing and fabrication view point
Giza Power
Lost Technologies of Ancient Egypt: Advanced Engineering in the Temples of the Pharaohs