Physical Science

Most of us will be familiar with rockets and jets. When we watch a Space Shuttle launch or an Air Force fighter take off we are seeing both types of engine in action. They certainly look similar – with all…
Read more

The idea that energy can be created from heat is a misnomer. Heat is energy. More specifically, heat is energy in motion, or moving from one area of the system to another. This fact has been studied countless times and…
Read more

Hyperlight physics, the physics of traveling beyond the speed of light, once achieved, will increase our scientific and technical knowledge to such an extent that it will be like leaving a closet and entering the Superdome in those fields. Einstein…
Read more

In addition to gravity pulling them down, all flying objects’ horizontal motion is opposed by friction from the air, the strength of which is described by a drag coefficient. While bullets, pop flies and other projectiles are merely slowed while…
Read more

The solid material with the lowest known density is called aerogel. It was original invented by chemist S.S. Kistler in 1931 as part of a bet. The article reporting his discovery is available online. The idea was to somehow remove…
Read more

As a teacher I had the class make a time machine after they had suggested the idea. Oh what fun they must have thought and so did I. So we had a class discussions to how we would actually do…
Read more

Could there be a basic particle? No matter how you split, dice or slice it, a particle is a basic unit of matter. The Atomists (a pre-Socratic group of early Greek philosophers, from which the word “atom” originated) asserted that…
Read more

The earth and its satellite moon are parts and parcels of many wonderful creations. They provide mysterious tales and facts which remain incompletely fathomed and understood by the intelligence of man. Even if they are common sights, they still emit…
Read more

It is quite clear to me that the best energy source for the future is the radiant energy that reaches the Earth from the Sun. By using such energy there are two primary ways to produce electricity. The concentration of…
Read more

The asteroid 2005 YU55 came within the Moon’s orbit on November 8, 2011. It is 1,300 feet wide and came to within 201,700 miles of the Earth. This is 0.85 lunar distances, 319,000 kilometers, or 0.00217 AU.  AU is an…
Read more