Why do voices sound high pitched when sped up?

Why do voices sound high pitched when sped up?

Have you ever fast-forwarded a video or an audio playback? You might have probably notice that the audio sounds high-pitched when sped up. It sounds squeaky and often hilarious, seemingly like the pitched got elevated. But why does it do so? Well, it concerns sound waves. However, let’s try to understand what … Read more

How did E = mc² become a famous equation?

How did E mc2 become a famous equation

The important thing to consider is that E=mc² is the culmination of decades of painstaking scientific research by many brilliant scientists. In the end, it led to the theories of Special and General Relativity – arguably the most profound development in our understanding of the universe of all time. E = mc² … Read more

What is the difference between ketchup and tomato sauce?

What is the difference between ketchup and tomato sauce

Ketchup typically contains additional ingredients besides tomatoes, such as sugar, vinegar, and other flavor enhancers (salt, garlic, onion, pepper, etc.). Although tomato sauce can have more ingredients than ketchup, at its most basic form, it is simply made of tomatoes that are squashed, cooked, and mixed with a bit of lemon juice, … Read more

What is the difference between different types of toothpaste?

What is the difference between different types of toothpaste

There is not a lot of difference in the different types of toothpaste. Some manufacturers will add ingredients with certain properties, but in real-life use, the effects of those properties will be minimal. Here are some good examples of toothpaste types: Whitening toothpaste typically contains a higher level of abrasives, which essentially … Read more

Why are things shiny (or shinier) when wet?

Why are things shiny (or shinier) when wet?

It is quite often that we observe things appear shinier when they are wet. Whether it may be while washing the car or rain falling down on metal surfaces, things look more reflective and shinier than usual. You might have wondered why is that so? And the answer is quite simple. When … Read more

Does Movement Of Electrons In An Atom Consume Energy?

Does movement of electrons in an atom consume energy

Everything in our world, including buildings, cars, animals, as well as humans, consists of atoms.Even though we cannot see them, they are a fundamental part of our lives, which allows us to take form. Atoms hold incredible features that require a specialized microscope for us to see. One of the interesting parts … Read more