Welcome to article directory Article Universe.
We have 2014 published articles and 51 registered authors.

Archive for the ‘Reference & Education’ Category (Page 10)

Catalog » Reference & Education (Page 10)

Subcategories:












Sort by:

How Your Brain Works - Author:

June 16, 2025 | Published in Science

  General Features THE HUMAN CORTEX The most striking feature of the human brain is seen in the cortex. This is the folded, hemispherical structure which constitutes the bulk of the visible brain. It is not present in reptiles. The cortex is relatively recent. It is perhaps one hundred thousand years old and is the …

Loading

How to Experience a Lucid Dream - Author:

June 16, 2025 | Published in Psychology

  Lucid dreaming means dreaming while you know that you are dreaming. The term was coined by Frederik van Eeden who used the word “lucid” in the sense of mental clarity. With practice nearly anyone can experience lucid dreams. Lucidity is not the same as dream control. It is possible to be lucid and have …

Loading

How Do Microscopes Work? - Author:

June 16, 2025 | Published in Science

  A microscope is a device which allows one to view something which is too small to be seen by the naked eye. Items which are often studied under a microscope can include a single hair, blood or skin cells. With the naked eye these are hard to see, and impossible to view in any …

Loading

The Healing Psyche and False Hope - Author:

June 16, 2025 | Published in Psychology

  In their search for health, clients are willing to try anything, hoping for a miracle cure. They often reason that they might as well try it because “they have nothing to lose.” Unfortunately, there is something to lose. Clients might gain a false sense of hope. They might lose interest in mainstream medicine or …

Loading

Great Astronomical Observatories of the World - Author:

June 16, 2025 | Published in Science

  The great observatories of the world are responsible for many of the prolific astronomical observations of the twentieth century. Telescopic photography, radio dish data collection, and infrared imaging are among the many different techniques observatories have been able to employ to learn about the heavens. The Palomar Observatory may be the most famous of …

Loading

Dark Matter: Exotic Galactic Component or Fairy Tale? - Author:

June 15, 2025 | Published in Science

  Heralding a new age in the cosmos, Norwegian Kristian Birkeland predicted that the universe likely consisted of an exotic component that would later be called dark matter. His comments about this subject matter appeared in a description of the Norwegian Aurora Polaris Expedition (1902-1903). Birkeland’s ideas about the Expedition were published in the fateful …

Loading

Foam: An Overview - Author:

June 15, 2025 | Published in Science

  Just what on earth is foam? It is a question that has plagued mankind for centuries. Well, alright, maybe not. Nevertheless, foam has long been a mysterious material, yet useful in many ways, not least for insulation and packaging. Put simply, foam is plastic that has been melted, had bubbles of gas forced into …

Loading

Is Einstein’s Special Relativity Fundamentally Flawed? - Author:

June 15, 2025 | Published in Science

  Is Albert Einstein’s Special Relativity incompatible with the very equations upon which science’s greatest theory is built? New observations made by many scientists and engineers appear to contradict the great scientist’s ideas. Apparently there are implicit contradictions present within Relativity’s foundational ideas, documents and equations. One individual has even pointed that quotations from the …

Loading

Coming to Terms with Your ‘Dark’ Side - Author:

June 15, 2025 | Published in Psychology

  The psychologist, Carl Jung, described hidden part of our psyche as “the shadow.” It’s the part that sometimes frightens us with the things we don’t know, or don’t want to know about ourselves. It is essentially our unconscious mind telling us what it wants. Sometimes it comes in dreams, other times and a welling …

Loading