In a fascinating dive into the strange world of quantum physics, scientists have shown that light can interact with itself in bizarre ways—creating ghost-like virtual particles that pop in and out of existence.
This “light-on-light scattering” isn’t just a theoretical curiosity; it could hold the key to solving long-standing mysteries in particle physics.
Quantum light: why lasers don’t clash like lightsabers.
Usually, light waves can pass through each other without any resistance. According to the laws of electrodynamics, two light beams can exist in the same place without influencing each other; they simply overlap. Lightsaber battles, as seen in science fiction films, would therefore be rather boring in reality.
Crime scene investigation may soon become significantly more accurate and efficient thanks to a new method for detecting gunshot residues. Researchers from the groups of Wim Noorduin (AMOLF/University of Amsterdam) and Arian van Asten (University of Amsterdam) developed the technique that converts lead particles found in gunshot residue into light-emitting semiconductors. This method is faster, more sensitive, and easier to use than current alternatives.
Forensic experts at the Amsterdam police force are already testing it in actual crime scene investigations. The researchers published their findings in Forensic Science International on March 9.
In the 1951 science fiction film, “The Day the Earth Stood Still,” powerful ray guns are shown vaporizing rifles and even tanks. In the Star Wars movies, a wide variety of directed energy weapons are depicted, from handheld lightsabers to massive, spaceship-mounted laser cannons.
What exactly is a directed energy weapon? Are these weapons still science fiction, lab experiments, or are they real? How can they be used and how disruptive can they be? What are the challenges and next steps? This article will examine answers to these questions.
According to DOD’s Joint Publication 3–13 Electronic Warfare, directed energy (DE) is described as an:
Nemourlon armor of reasonable weight resists penetration by most fragments and any bullet that is not both reasonably heavy and fairly high-velocity.’ — Jerry Pournelle, 1976.
Goldene — A Two-Dimensional Sheet Of Gold One Atom Thick ‘Hasan always pitched a Gauzy — a one-molecule-layer tent, opaque, feather-light, and very tough.’ — Roger Zelazny, 1966.
GNoME AI From DeepMind Invents Millions Of New Materials ‘…the legendary creativity of our finest human authors pales against the mathematical indefatigability of GNoME.’
A professor at the University of Warwick is exploring the chemistry of the galaxy far, far away this Star Wars Day, May the 4th.
Science fiction is meeting science fact, as Professor Alex Baker discusses the captivating inspiration real-world reactions have had on the Star Wars universe.
The chemist from the University of Warwick explores what may underpin the freezing of Han Solo, the colors of lightsabers, the reactions that power star ships and much more.
During the surprise assault on Israel by Palestinian militant group Hamas Saturday, gunmen opened fire on hundreds of young people during a dance music festival in the southern Israeli kibbutz of Re’im near the Gaza Strip, according to the Associated Press and multiple Israeli media outlets.
Witnesses told the Times of Israel that rocket fire was followed by gunshots fired into the crowd, as hundreds tried to flee.
“The music stopped and there was a rocket siren,” a young woman called Ortal told Israel’s Channel 12, according to Reuters. “Suddenly out of nowhere, they started shooting.”
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