Hoe groot wordt Shenzhen?

The Cosmological Hoe

The hoe—the sound of the word is sweet...the hoe makes everything prosper, the hoe makes everything flourish. The hoe is good barley...the hoe is brick moulds, the hoe has made people exist. It is the hoe that is the strength of young manhood. The hoe and the basket are the tools for building cities. It builds the right kind of house, it cultivates the right kind of fields. It is you, hoe, that...

Adriaan De Groot: Marriage of Two Passions a Personal Summary

In this contribution, which is a tribute to Adriaan de Groot in relation to his recent passing away, I would like to introduce the reader to his remarkable personality and to present the main tenets of his psychology of chess skill. I shall start by giving an overview of his chess and academic life. Then, basing my account on his seminal thesis and on more recent empirical and theoretical work,...

Instant city ( Shenzhen , China )

The de Groot dual for general collections of sets

A topology is de Groot dual of another topology, if it has a closed base consisting of all its compact saturated sets. Until 2001 it was an unsolved problem of J. Lawson and M. Mislove whether the sequence of iterated dualizations of a topological space is finite. In this paper we generalize the author’s original construction to an arbitrary family instead of a topology. Among other results we ...

Ergonomic Improvement on the Farm/garden Hoe by Yuan

The hoes are widely used in the farms and home gardens in the United States. Many existing hoes are not ergonomically designed because they require a lot of back bending and wrist bending during use. Back bending often causes lower back injuries, and wrist bending often causes carpal tunnel syndrome. It can be very expensive to cure these injuries. The objective of this project is to reduce bac...