Can you count how many touch screens you encounter on a single trip? Frequent travelers probably use touch screens more than most — smartphones.
Air pollution can result from both human and natural actions. Natural events that pollute the air include forest fires, volcanic eruptions, wind erosion.
Keyboard shortcuts are combinations of two or more keys that you can use to perform a task that would typically require a mouse or other pointing device.
With 100’s of millions of internet users around the world it seems appropriate to explain what actually takes place when browsing the web.
Solar energy may seem like a complicated process but it is easy to understand the basics of how it works and how it helps us every day.