Movies on Instagram: "Tom Cruise spent a lot of time off-camera with young Jonathan Lipnicki (Ray), playing and talking with him to build a genuine connection. This helped their bond feel completely natural on screen, which became one of the film’s emotional highlights. In fact, this line “Did you know the human head weighs eight pounds?” was actually improvised by Lipnicki himself! His innocent charm and spontaneous energy brought warmth and authenticity to the movie, perfectly balancing Cruise

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Technology on Instagram: "The iodine clock reaction, first discovered by Hans Heinrich Landolt in 1886, is a famous experiment that perfectly showcases chemical kinetics in action. ⚗️✨ When two clear solutions are mixed, the liquid stays colorless for a short time before suddenly turning deep blue. This dramatic shift highlights how reaction rates work — with factors like concentration and temperature directly influencing the speed of the reaction. It’s a classroom favorite because it turns abst