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Why knots come undone in 4D, but 2D surfaces can still be knotted
Tie a trefoil knot in a piece of string, seal the ends together, and try to wiggle it free without cutting. In three-dimensional space, the knot holds firm. Add a fourth spatial dimension, however, ...
Abstract: The n-type and p-type operations of 22 nm Fully Depleted Silicon on Insulator (FDSOI) Three-Independent-Gates Reconfigurable Field Effect Transistors (TIG-RFETs) are simulated, incorporating ...
Abstract: The integration of unmanned aerial vehicles (UAVs) and terahertz (THz) technology can provide high data rate for air-to-ground (A2G) communications. In this paper, a non-stationary geometric ...
Declassified documents from over three decades ago have revealed how an encounter with a suspected UFO at the south pole was covered up. The records unsealed this year by Argentina's Ministry of ...
Metallica has added six new dates to its 2026 residency at The Sphere in Las Vegas. The "Life Burns Faster" residency will now feature a total of 14 shows, starting on Oct. 1, 2026. The shows are ...
Floyd Mayweather (50-0, 27 KOs) will fight Manny Pacquiao (62-8-3, 39 KOs) again on September 19, 2026 at Sphere in Las Vegas. The rematch streams globally on Netflix and brings two former champions ...
This extraordinary diner is the final wonder of the great Brazilian architect Oscar Niemeyer, who dreamt it up at the age of 103. And it’s a fine place for a sunset kombucha and gin Perched among old ...
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