PEEPER on Instagram: "Shutter speed is one of the core principles of photography, controlling how long the camera’s shutter stays open to let light hit the sensor. Measured in fractions of a second—like 1/1000, 1/500, or 1/30—it determines not just exposure, but how motion is captured in an image. With a single adjustment, a scene can shift from perfectly frozen to beautifully blurred. A fast shutter speed, such as 1/1000, opens and closes so quickly that even fast-moving subjects appear sharp.

Ladrões Cancelados 🚷 on Instagram: "日本利用压电瓷砖将脚步转化为电能。这些瓷砖捕捉来自你脚步的动能。当你行走时，你的重量和动作会对瓷砖产生压力。瓷砖会轻微弯曲，从而产生机械应力。瓷砖内部的压电材料将这种应力转化为电能。每一步都会产生少量电荷而数百万步结合在一起就能产生足够的电力来驱动LEDF、数学显果屏和传感器。 eal Jepang menggunakan ubin bertekanan untuk mengubah langkah kaki menjadi listrik. Ubin ini menangkap energi kinetik dari langkah kaki Anda. Saat Anda berjalan, berat dan gerakan Anda akan memberi tekanan pada ubin. Ubin akan sedikit bengkok, menghasilkan tekanan mekanis. Bahan tekanan di dalam ubin mengubah tekanan ini