One thing is certain. When it comes to protecting our children, there are no easy answers. Sure, we could do a better job of flagging those that are correctly or incorrectly perceived as a danger to themselves and others. Although Read More …
Tag: Science
How do geologists date rocks? Radiometric dating!
Radioactive elements were incorporated into the Earth when the Solar System formed. All rocks and minerals contain tiny amounts of these radioactive elements. Radioactive elements are unstable; they breakdown spontaneously into more stable atoms over time, a process known as Read More …
When Scientists Dissect the Brain, They Find Different Distinct Parts.
The Cerebellum which is located at the base of the brain, receives information from the sensory systems, the spinal cord, and other parts of the brain and also regulates motor movements. It is only 10% of the brain. This part Read More …
Interesting Things That Happen In The Sky
Auroras appear when solar electrons excite oxygen and nitrogen atoms in the Earth’s upper atmosphere. The ionosphere (which includes the upper part of the mesosphere, and most of the thermosphere) is approximately 250 miles up. That’s 1,320,000 feet over our Read More …
What Is Heavy Water and What Is It Used For?
As far as I know, heavy water is used for three things. But first, what is heavy water. It is water that has a lot of deuterium in it. It is an essential component in some types of nuclear reactors Read More …
More On Albert Einstein
I know that volumes a mile high have been written about this man, but there are a group of facts that I like to keep in my mind; so I jotted them down so I could go back and do Read More …
Gravitational Force
Here’s something to think about. Our galaxy, the Milky Way, is part of what astronomers call the local group. It consists of the Milky Way, the Andromeda galaxy, the Large Magellan Cloud, the Small Magellan Cloud, and other smaller galaxies. Read More …
A Few Fascinating Things About Isaac Newton
The first universal law of nature that was ever discovered by a human was found by Newton. That law is as follows: if you double the distance between two objects, the attraction between them becomes four times weaker. This idea, Read More …
How Many Stars Are There In The Universe?
Astronomers estimate that there are approximately 100 billion stars in the Milky Way (the galaxy we live in). They also estimate that there are 200 billion galaxies in the universe. That’s around 200,000,000,000,000,000,000,000. That’s 200 Sextillion stars. Just for the Read More …
How Far To The Nearest Star?
Humans are an optimistic bunch of beings. We assume that someday we will travel to the stars and beyond just like what happened in Star Trek. The closest star to us (earth) is a star called Proxima Centauri which is Read More …