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,...
by Meghna Rangarajan | Apr 26, 2025 | Student Blogs
How Robots See the World Robots utilize specialized sensors and cameras to “see” their surroundings. Robots use cameras, similar to the human eye, to capture images and videos. They also use LIDAR (Light Detection and Ranging) to bounce lasers off objects and create...
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