Did Ancient Egyptians Have Technology Like Helicopters And Submarines

Upcoming tours you can join: http://infinite-connections.co.uk/september-2014-peru-bolivia-tour/ http://www.megalithomania.co.uk/peru2014.html http://khemitology.com/wp-content/uploads/2013/05/March-2015-Techno-Spiritual-III-Tour-itinerary1.pdf There are a series of hieroglyphics in a temple in Egypt which have stirred a lot of curiosity and speculation. Some believe they depict an army tank, a helicopter and other 20th century machines. Others think they are simply layers of hieroglyphics...what do you think?