12 May Twirling a small pink teetotum. In full cycle: releasing, spinning, stopping. Free HD video stock footage
You may watch a full cycle of a pink teetotum performance: releasing it, spinning and stopping. Many scientific themes can use meaningfully this video sample while talking about philosophy of time, problems of perpetual engine, analysis of high frequencies etc.
Dimensions: 1920 x 1080
Video codec: H.264
Color profile: HD (1-1-1)
Data rate: 14.09 Mbit/s