Ray Optics Class 12 | 🔥 | All Formulas Series | Physics Chapter 9

Barack Obama on Instagram: "@TheasterGates is a talented, Chicago-based artist who fuses archival photos of Black life with everyday materials. Michelle and I are so excited that Theaster has created a new piece for the Obama Presidential Center that will highlight the contributions of Black women to the political and social landscape of America."

MEMEZAR • MEMES & MEME-CULTURE on Instagram: "This temporarily broke my brain 😭 Optical illusions trick the brain by presenting visual information in a way that conflicts with how the brain normally interprets reality. They exploit the brain’s shortcuts for processing shapes, colors, light, and depth, causing it to see things that aren’t actually there or perceive them differently from reality. For example, lines of the same length may appear unequal, or a still image may seem to move because t

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