Physics

Last Updated on May 7, 2025 by Muhamed Elmesery One of the most famous and revolutionary scientific theories of the 20th century is Einstein’s theory of relativity. It was proposed by the German-born physicist, Albert Einstein, in 1905 and has since then been accepted as a fundamental theory of physics. This theory has brought about a radical transformation in the …

Last Updated on May 7, 2025 by Muhamed Elmesery Have you ever thought about how we can get fresh water from sea water? Or how can we get the skim milk? Or how is blood separated into its four components in hospitals and blood banks? Sand and water/ Cereal and milk/ Sugar and salt/ Salt and water/ Water and ethanol/ …

Last Updated on May 15, 2025 by Muhamed Elmesery Have you ever dreamed of defying gravity? That dream can now become a reality with the free-fall experiment. This experiment is a great way to learn about the principles of gravity, acceleration, and the conservation of energy. It is also a really fun and interactive way to explore one of the …

Last Updated on May 15, 2025 by Muhamed Elmesery Have you ever wondered how physicists create free-body diagrams? What about economists or biologists? All of these professionals use specific symbols to chart the motion of an object. The importance and virality of free-body diagrams (FBD) in physics are beyond description. Free-body diagrams emerged since Newton’s laws of motion stretched out …

Last Updated on June 1, 2025 by Muhamed Elmesery A true wonder of humanity’s creative mind and engineering is the spring! With its many different forms and specific functions—the coil spring, the compression spring, the extension spring, the torsion spring, and more—our mankind was offered the chance to fabricate and invent many more useful objects. This man-made revolution of tools …