光的偏振是指光波中电场矢量振动的方向。当光波中的电场矢量在一个特定平面内振动时，我们称之为偏振光。偏振状态可以分为线偏振、圆偏振和椭圆偏振等类型。

【中央大學】物理演示實驗－質量分布對轉動慣量影響 moment of inertia

Spinning Christmas Trees: Festive Sound Experiment

* EMERGENCY FOOD TASTE TEST SERIES * no, we are not in an emergency. This is a series on trying emergency foods. 😉 • no, this is not something just sold in an American grocery store. Emergency food is sold online. Steak & Eggs for breakfast using freeze dried filet mignon, powdered eggs, freeze dried cheese, and powdered butter • Dehydrated eggs retain their nutritional value. Also, freeze dried food retains 90-97% of their nutritional value. 😁 It’s just food that has their moisture removed so

Full hyperlapse - from just TWO photos. 🤯 All of these hyperlapses were created using only iPhone photos and then brought to life with @freepik Spaces. They literally announced it at the event, so I had to test it right away - and with the node-based infinite canvas, bringing this project to life was just next level. What can I say… this is a new era of content creation. The possibilities are honestly insane!🔥 Huge thanks again to the entire team for this amazing event and to all the legends w

专治动量计算困难 没思路，选对方法，直接提分！ | 小雅老师-高中物理