Most Recent Posts
Why Does the Road Look Wet on a Hot Summer Day?
On a hot summer day, while driving along the highway, you may see something that looks like a pool of water ahead of you…
What Is a Space Needle?
The Space Needle is an observation tower in Seattle, Washington, a landmark of the Pacific Northwest, and an icon of Seattle. It was built…
What Is the International Space Station?
Visible from Earth with the naked eye, the International Space Station (ISS) is habitable satellite that serves as a microgravity laboratory
How Does a Rocket Engine Work?
You can make a simple rocket by filling a toy balloon with air and letting it go. Rockets work on the Newton’s principle that…
How Did We Get the Word Nickname?
A nickname is a substitute for the proper name of a familiar person, place, or thing, for affection or ridicule. A nickname is often…