1. System for recording the sun's path through the sky.


    from Craig Barrow Added 442 1 0

    Inspired by traditional Campbell Stokes Sunshine Recorder’s, the Met Office’s official sunshine hours metering method, where the suns radiation is magnified to scorch marks into daily…

    + More details

    What are Tags?


    Tags are keywords that describe videos. For example, a video of your Hawaiian vacation might be tagged with "Hawaii," "beach," "surfing," and "sunburn."