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To Defeat the Royal Navy During the American Revolution, a Rebel Inventor Designed a Secret Weapon: a Bomb-Carrying Submarine

David Bushnell developed the "Turtle" submersible as a student at Yale University. The vessel's attack on a British flagship failed, but the trailblazing boat's legacy endures 250 years later

To Defeat the Royal Navy During the American Revolution, a Rebel Inventor Designed a Secret Weapon: a Bomb-Carrying Submarine

We haven't written up this one. Smithsonian has the full story — the link below goes straight to it.

Read the original at smithsonianmag.com →

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ElQA: ensuring electrical integrity in the LHC

Ongoing upgrades on the road to HiLumi ElQA: ensuring electrical integrity in the LHC 3 September 2026 The LHC has more than 1600 superconducting electrical circuits powering the magnets guiding the particle beams around the 27 km circumference of the accelerator.

Endangered Amur leopard cubs born at Helsinki Zoo

The birth is significant for conservation efforts, as breeding helps maintain genetic diversity in the critically endangered species.

  • Two Amur leopard cubs, a male and female, born at Helsinki Zoo.
  • Cubs five weeks old, weigh about 2.5 kilograms each.
  • Breeding effort spans five years, recent successful match in 2021.

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