Invention of the clock
http://ftp.aa.edu/lydon/egypt/matton1egypt/index.htm
Invention of the lock
http://ftp.aa.edu/lydon/egypt/matton1egypt/index.htm
The development of various surgical instruments/ surgery
http://www.arabworldbooks.com/articles8b.htm#surgery
Antibiotics and other medicines for treating various diseases
http://en.wikipedia.org/wiki/Ancient_Egyptian_medicine
Mummification
http://historylink101.net/egypt_1/religion_mummification_process.htm
The Pyramids
http://www.catchpenny.org/howbuilt.html