What is the formula to calculate IQ? Is IQ of 100 good?

What is the formula to calculate IQ? Is IQ of 100 good?

What is it: Intelligence. It allows a person to succeed in life. It is one of the things that differentiate humanity from any other type of animal on our planet. It is believed that the more intelligent a person is, the more successful they will be in their life. But what is … 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

Why is the cooling power of air-conditioning measured in tons?

Why is the cooling power of air conditioner measured in tons

Imagine this: a contractor told your grandma that he would install a new air conditioning (A/C) system in her room. As he was explaining, he mentioned that the place required a four-ton unit. Confused, your grandma said, “Oh my! How will you bring something so huge in the house?” Grandma’s reaction was … Read more

Which is the softest mineral that has been given the lowest rating of 1 on Mohs scale of mineral hardness?

Which is the softest mineral that has been given the lowest rating of 1 on Mohs scale of mineral hardness?

The softest mineral on the Mohs scale is talc. Talc is comprised of the elements magnesium, silicon, and oxygen. It is used to make talcum powder. Talcum powder is commonly used to help with skin rashes. Talc in its base form is used to help eliminate excess fluid in the lungs and … Read more