Free Science Articles

Children who are curious and love science excel in school and in life. You can help them like science with simple everyday events. Activities at home can go a long way towards keeping your child interested in science and learning about the world around him or her.

Most people are familiar with the term ?shooting star,? but few know its importance. Actually, it is not a star shooting across the sky, but a small piece of solid matter called a meteoroid colliding with the atmosphere.

There are three basic ways to tap the ocean for its energy. We can use the ocean's waves, we can use the ocean's high and low tides, or we can use temperature differences in the water.

This article discusses the fundamental nature of time, how it is measured, by movement, and how it is related to the concept of space. It also describes the spin-offs from high technology time references and International time standards.

Serifos island in Greece is pervaded with legend, from Perseus to the Cyclops. But its history, often violent, was most affected by its iron and copper mines. Today Serifos island is a quiet, undeveloped, relaxed place of peace.

In the world today we are constantly checking things come up to standard. We need to calibrate instruments and devices all the time.

Evolutionary processes are discussed to determine if archaeological engravings from the Tiwanaku civilization in Bolivia could be depicting an ancient astronaut.

The quest for free energy has fascinated humankind ever since we became "energy-hungry". So far the quest has been without success, but out there, in deep space, may hide a solution ? spinning black holes.

A look at 'what is gravity?' from the viewpoints of Kepler, Newton and Einstein - a brief comparison and the possible future of gravity theory.

Inertia is the well-known effect of matter resisting being accelerated. But where does inertia come from. This article explores two possibilities.

In Arizona, the Grand Canyon, one of the Seven Wonders of the World exists in the middle of flourishing desert landscapes, translucent waters and magnificent mountain peaks.

Seen in the past mainly as a safety hazard for coal miners and a costly nuisance for mine operators, CMM is now being widely studied and exploited.

Remember the popular Million Dollar Man series on television in the 70?s? Remember how Steve Austin, played by Lee Majors, had that bionic eyes which allowed him to see what?s happening in places even far beyond his eyesight?

When I was a kid, I just love science. Every science class I took in school was a joy to me, and I relished each and every science project that I was assigned. And one of my favorite projects - one that made a lasting impression on me - was the construction of my very own home weather station. It was made of crude materials, but everything worked just fine, and building it and learning how to use it left me with a life-long interest in Meteorology to this very day.

The "twin paradox" of Albert Einstein's theory of relativity has bemused many people for almost a century. Here's a non-technical solution that will appeal to the enquiring and curious mind.

Billions of galaxies exist in the known Universe, and not any two are completely the same. Galaxies are awesome compared to what we can comprehend, various thousands of light years across (a light year is approx 300,000kms a second!), others are hundreds of thousands of light years from one side to the other.

A brief answer to the question "what is cosmology?" Introducing non-technical people to physical cosmology, the scientific study of the Universe at large.

The main sources of pollution are: · Industry · Transports · Volcano eruptions.....

The evolution of relativity from Galileo to Newton to Einstein - a brief comparison.