39K views · 923 reactions | The groundbreaking M982 Excalibur shell is spearheading a breakthrough in warfare technology that promises to take artillery precision to an astounding 2-meter margin of error. If successful, the M982 Excalibur might start a new revolution in artillery technology that could be as significant as the development of the first gunpowder cannon in the 14th century. | Dark Documentaries | Facebook

143K views · 698 reactions | Ever wondered how shells get their shape? Using math, we can understand the hidden complexity behind some of nature's most beautiful creations—and recreate them ourselves. Design your own shell at https://on.natgeo.com/4bMdur3. Host: Halley Brown | National Geographic | Facebook

1.9K views · 116 reactions | During our guided shelling trips our...