How did Vikings navigate at sea without GPS?

It's always when you flip a switch or plug in a cord, but electricity has a long way to travel to get to your house. In fact, the electricity generating station may be hundred's of miles away.

Electric cars are the future of the world due to the lack of fossil fuels

It also has to be a perfect distance away from the star. If it is too far, it will end up leaving the star. If it is too close, it will go into the star.

There has always been a question about whether or not aliens exist, or if there is any sort of life on another planet. Well, scientists have discovered evidence that shows signs of liquid water on Mars,...

The theory of general relativity was created by Albert Einstein in 1916 and shows that space isn’t just a stage that is unmoving, but a warping environment that can get “bent”. Masses bend the spacetime around it and the heavier the mass, the more bent spacetime is.

Nasa's Parker Solar Probe becomes the first-ever spacecraft to enter the sun's upper atmosphere.

Wind turbines are a growing industry and it is becoming difficult to see which ones are great turbines to use as a source of energy.

The aray of 166,000 panels can produce up to 2.6 gigawatts of clean energy, enough to power a large town. This is just one example of a floating solar panel farm in China and there are many more across the world.

Nanobots are exactly what they sound like. They are tiny, miniscule robots capable of storing and applying medicinal content to the human body, among other things. Currently, the average nanobot is about...

Mickey Mouse versus Goku. At first, you'd probably think, "Is this even arguable?" Well to compare one of the oldest, childhood characters with the undefeatable Goku from Dragon Ball, Dragon Ball Z,...

These super storms happens every 2 centuries but if they ever do occur to earth, they can become a Geomagnetic storm. These storms can be so powerful that it can break millions of kilometers of wires that transports electricity and a complex grid of machines, like transformers, that makes it possible to transfer electricity a shut down, or breaking the transformers.