Dating back to the 17th century, the text contains knowledge passed down from a samurai who fought and won 33 duels in Japan. Source: https://www.livescience.com/65742-samurai-text-supernatural-powers.html
Tag: Sword
Quantum—a double-edged sword for cryptography
Quantum computers pose a big threat to the security of modern communications, deciphering cryptographic codes that would take regular computers forever to crack. But drawing on the properties of quantum behaviour could also provide a route to truly secure cryptography. …
Does Recyling Work?
“It’s a complicated question,” admits a New York sustainability advocate:
If an item in a bin of recyclable materials is greasy, covered in food or, in the case of paper goods, soaking wet, the entire bin is typically rejected and sent to the landfill or incinerated… While we want to do the right thing, most of us don’t know all the rules….
Mysterious Ice Circle Appears on Frozen Salt Lake in China
If it’s springtime in the Northern Hemisphere, that means it’s time for crop circles to begin popping up in England and other places where there are large farms and people with time on their hands. Or extraterrestrials anxious to send messages using that sophisticated communications device known as the “field.” China is in the Northern… Continue reading Mysterious Ice Circle Appears on Frozen Salt Lake in China
15th-Century Warlord’s Fearsome Sword Now Gleams in 3D
Ali Atar’s sword lives at the Toledo Army Museum in Spain, but you can now see it online in 3D Source: https://www.livescience.com/65098-fearsome-15th-century-warlords-sword-3d.html