Why does wood warp in damp weather?

Why does wood warp in damp weather

Shawn is very excited about the construction of his new house. He purchased all the necessary construction materials ahead of time and ordered wood and other wooden furniture from a factory overseas. Waiting for the other materials to be completed, he stocked all the wood just outside his house. Unfortunately, it rained … Read more

Why do we see the flash from a gun before we hear noise?

Why do we see the flash from a gun before we hear noise

Have you ever tried to fire a gun? If yes, what did you notice after doing so? There are several things you can observe when firing a gun, and that includes the gun’s flash and sound. It may be a popular question for some people since it is apparent that the gun’s … Read more

How are bombs made out of chemical fertilizers?

How are bombs made out of chemical fertilizers?

Lately, there have been numerous reports pertaining to terrorist groups using fertilizer bombs. What’s peculiar about these fertilizer bombs is that they are relatively harder to make than other types of bombs. However, the ingredients and parts that are needed to create it are much cheaper, and its lower cost could be … Read more

Why is gold so easily malleable while iron is so rigid?

Why is gold so easily malleable while iron is so rigid

Metal, it can be a music genre like hard rock metal, or heavy metal. This type of music developed widely in the United States and the United Kingdon in the late 1960s and early 1970s. It came out of genres blues rock, psychedelic rock, and acid rock. The genre is characterized by … Read more

What is anemometer? How does it work?

What is anemometer? How does it work?

The term anemometer is derived from the Greek word anemos which means ‘wind’ and metros which means ‘measure’. These devices were first developed in the 15th century to measure wind speeds. For safety reasons, planning a trip or simple curiosity, knowing the direction of wind is important. Wind is an element that … Read more