Słowo „pojedynek”, zwłaszcza w kontekście średniowiecza, budzi skojarzenia dość jednoznaczne: dwóch rycerzy, odzianych w pełne zbroje, potykających się w szrankach o honor, dla sławy czy ku uciesze gawiedzi. Właściwie nie ma powodów by wątpić w ten nieco stereotypowy obraz, warto jednak nadmienić, że średniowieczny porządek świata wcale nie musiał stanąć na głowie, by ostrza skierowali przeciw sobie rycerz z… chłopem.

Elon Musk is worried that AI will destroy humanity, and so he's decided to donate $10 million toward research into how we can keep artificial intelligence safe. Musk, the CEO of Tesla and SpaceX, has previously expressed concern that something like what happens in The Terminator could happen in real life. He's also said that AI is "potentially more dangerous than

Seeing knights wield longswords may seem like a thing of the past, but that’s not necessarily true. Sports association MARS teaches its members Historical European Martial Arts (HEMA), aims to practice them as perfectly as possible and uses them at tournaments all over Europe. Every week, fighters get together and practice their art for hours on end.

The largest NASA Hubble Space Telescope image ever assembled, this sweeping bird's-eye view of a portion of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic next-door neighbor. Though the galaxy is over 2 million light-years away, the Hubble telescope is powerful enough to resolve individual stars in a 61,000-light-year-long stretch of the galaxy's pancake-shaped disk. It's like photographing