grain of sand

  1. VIDEO What If a Grain Of Sand Hits The Earth At 99% The Speed Of Light

    :curious:
    • whoosh
    • Thread
    • grain of sand high velocity impacts impact energy special relativity
    • Replies: 2
    • Forum: The Water Cooler

  2. VIDEO when you make one grain of sand 1,000,000,000,000x heavier

    Heavy :p
    • whoosh
    • Thread
    • grain of sand mass scaling physics thought experiment science humor
    • Replies: 1
    • Forum: The Water Cooler