History Facts & Stories on Instagram: "In 1948 contact lenses were still a fairly new technology and were made almost entirely from hard plastic, specifically polymethyl methacrylate. These early lenses were not the soft, flexible type used today. Instead they were rigid shells that rested directly on the surface of the eye and covered not only the cornea but often part of the sclera as well. Because they did not allow oxygen to pass through the material, wearers could typically tolerate them on

Psychology on Instagram: "What are your thoughts on this? Communication isn’t just about words; your body language carries enormous influence. Open gestures, relaxed hands, steady eye contact, and a calm posture signal confidence and safety. When people feel at ease around you, they naturally become more receptive to what you’re saying. On the other hand, closed-off gestures like crossed arms or fidgeting can create tension and resistance, even if your message is solid. Mastering your gestures i

Dr. Ben Moxness | Jump Training & Athletic Development on Instagram: "As we sprint faster, our contact length (how far COM travels during ground contact) increases up to a certain point, while our contact time decreases. But how can we increase contact length while decreasing contact time? The answer is system stiffness. The easiest way to picture the basic science of sprinting is like a spring (but instead of the tissues “compressing” and releasing energy, they stretch). Stiffer springs need le