Papyrus, ink, and a quill were need to record the information in ancient Egypt. Scribes also needed to be able to read and write in Hieroglyphics.
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The duration of an echo depends on a few factors such as the distance between the sound source and the reflecting surface, the material and shape of the surface, and the acoustics of the environment. Generally, an echo can last anywhere from a few milliseconds to a few seconds.
The ancient Egyptian term for the disk of the sun was Aten, but this term initially could be applied to any disk, including even the surface of a mirror or the moon ; the term could also mean "throne" or "place" of the sun god. The word Aten was written using the hieroglyphic sign for "god" because the Egyptians tended to personify certain expressions. Eventually, the Aten was conceived as a direct manifestation of the sun god - most likely - Re-Horakhty.
The natural features of the lands surface?
The Ancient Egyptians used the Nile River for protection. They had a large marsh known as the Delta in the north, cataracts in the north, and two deserts on the west and east. Those deserts are the Sahara Desert and the Eastern Desert.
The neolithics mainly used pottery for food and water storage. The clay was dense enough after firing, that it provided protection from insects. Water was also stored in clay vessels. The clay was porous enough to allow a bit of surface leakage, that would cool in the wind; consequently, keeping the water stored inside the vessel cool. Clay was also used for decorative items, spiritual tokens and amulets, and adornment for the body.