by Meghna Rangarajan | May 24, 2025 | Student Blogs
Motion Illusions & Brain Tricks Optical illusions happen when our brain and eyes don’t work together as we expect. Our eyes collect light and images, but the brain tries to make sense of them. Sometimes, the brain makes guesses based on experience, but those...
by Meghna Rangarajan | May 10, 2025 | Student Blogs
What is Combustion? Combustion is a chemical reaction that releases energy through heat and light. Combustion is a chemical reaction between a fuel (such as wood, gas, or oil) and oxygen from the air. This reaction is exothermic, releasing energy (primarily as heat...
by Meghna Rangarajan | May 8, 2025 | Student Blogs
What is a Physical Change? A physical change affects a substance’s form or state, not its chemical identity. The molecules stay the same, but their arrangement or movement changes. No new substance is created. A physical change affects only physical properties (like...
by Meghna Rangarajan | May 8, 2025 | Student Blogs
How Green Engineering Works Green engineering uses technology to solve problems while protecting the environment. Engineers design machines, buildings, and products that use less energy and create less pollution. Renewable energy sources like solar panels, wind...
by Meghna Rangarajan | Apr 26, 2025 | Student Blogs
How 3D Printing Works 3D printing builds objects by stacking material layer by layer. 3D printing begins with a digital design created using specialized computer-aided design (CAD) software. The printer reads the design and “slices” it into hundreds or...
by Meghna Rangarajan | Apr 26, 2025 | Student Blogs
How Roller Coasters Work Roller coasters rely on fundamental physics principles, including gravity, potential energy, and kinetic energy. Initially, a lift hill or launch provides the coaster with potential energy, a form of stored energy. As the coaster drops,...
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