Privacy Policy

Privacy Policy

Last updated: October 2026

This Privacy Policy explains how Physics Voice (www.physicsvoice.com), run by Imad El Bojaddaini, collects and uses information when you visit this website.

Information we collect

We do not ask you to create an account. We only collect personal information you choose to send us, for example your name, email address and message when you use our contact form. This information is used only to reply to you and is never sold or shared with third parties.

Cookies and third-party services

This website is hosted on Google's Blogger platform. Like most websites, it uses cookies to work properly, to measure traffic and to display advertising.

  • Google Analytics and Blogger statistics help us understand how visitors use the site (pages visited, time spent, country). This data is aggregated and anonymous.
  • Google AdSense: third-party vendors, including Google, use cookies to serve ads based on your previous visits to this website and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this and other sites on the internet.
  • Affiliate links: some articles contain affiliate links (for example to Amazon). If you buy through these links, we may earn a small commission at no extra cost to you.

You can opt out of personalised advertising by visiting Google Ads Settings or www.aboutads.info. You can also block or delete cookies in your browser settings.

To learn how Google uses information from sites that use its services, see How Google uses information from sites or apps that use our services.

Visitors from the European Union and the United Kingdom

If you are located in the EU or the UK, you will be asked for your consent before non-essential cookies are used. You have the right to access, correct or delete the personal data you have sent us. To do so, please write to us through the contact page.

Children

This website is intended for a general audience and does not knowingly collect personal information from children under 13.

External links

Our articles may link to other websites. We are not responsible for the content or privacy practices of those websites.

Changes to this policy

We may update this Privacy Policy from time to time. The date at the top of this page shows the latest version.

Contact

For any question about this Privacy Policy, please use our contact page.

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Why Don’t We Feel the Earth Spinning? The Physics Explained

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Short answer: we don't feel the Earth spinning because it turns at a perfectly steady rate, and our bodies only feel changes in motion, not motion itself. Everything around us (the ground, the air, the oceans and you) moves together at the same speed, so there is nothing to push against you. The only trace of the rotation you could notice is a tiny outward effect that makes you about 0.3% lighter at the equator. Right now, if you are reading this in New York, you are moving eastward at roughly 1,270 km/h (790 mph) , faster than a passenger jet. At the equator it is about 1,670 km/h (1,040 mph) . And you feel absolutely nothing. Here is why, and how physicists proved the Earth is turning anyway. How fast is the Earth spinning? The Earth makes one full turn every 23 hours and 56 minutes. A point on the equator travels the whole circumference, about 40,075 km, in that time, which gives the 1,670 km/h figure. Closer to the poles, you travel a smaller circle in the same time, so...
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The Smoking Guns of Cosmology: Why the Big Bang Theory is Right

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If you travel back in time 14 billion years, the entire universe, every star, planet, and galaxy that will ever exist, is squeezed into a space smaller than a single subatomic particle. It is infinitely hot, infinitely dense, and poised on the brink of an explosion that will create time and space itself. This is the Big Bang. To the human mind, it sounds like absolute science fiction. How could anyone possibly know what happened at the dawn of time? But in physics, we don't rely on guesswork; we rely on fingerprints. The cosmos is covered in them. Here is the undeniable scientific evidence that proves why the Big Bang theory is right. The Cosmic Crime Scene – Galaxies on the Run The first major clue that the Big Bang happened came from a man named Edwin Hubble in 1929. Before Hubble, scientists believed the universe was static, eternal, and unchanging. Hubble shattered that assumption using a simple trick of light called redshifting . Think of the sound of a police siren. As the...
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What Are Black Holes Actually Made Of?

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When we think of a "thing," we think of matter, atoms, molecules, a surface you can touch. We think of planets made of rock or stars made of plasma. But as a physicist, I have to let you in on a secret: a black hole is not a "thing" in any traditional sense. The most common myth is that a black hole is a solid, ultra-dense ball floating in space. In reality, a black hole is a region of spacetime so severely warped that the very geometry of the universe has folded in on itself. It isn't made of "stuff"; it is a localized collapse of reality. Read about How Black Holes Are Actually Formed here . The Anatomy of a Shadow: Breaking Down the Layers To understand what black holes are made of, we have to look at their structure. Because they don't have a physical surface, we define them by their boundaries. The Event Horizon: The Mathematical Brink The "edge" of a black hole isn't a crust or a shell. It is the Event Horizon , a mathem...
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