Egyptian Myth and the constellations

This drop contains a few papers on Egyptian myth, in relation to the constellations, along with a translation of the Egyptian book of the dead

1) Sun cults and religious astronomy in ancient Egypt - Alexandra Von Lievan

2) Contexts and elements of decanal star lists in ancient Egypt (academic paper)

3) A new translation of 'The Book of Nut' - David Klotz

4) The Egyptian book of the dead

The I-Ching and genetics

Well this is interesting.
Here's a few papers on genetics, in association with the 5,000 year old Chinese divination method of I-Ching.
(included at the end, is a book on the I-Ching, for reference)

Ion / plasma beam 3d printing

In this drop are several papers on the use of ion beam tech and plasma beam tech, in 3d printing. From nano scale, to hard metal repair (such as tungsten and platinum).
Eye opening stuff!