Quantum loops explored: Physicists are studying closed timelike curves and entanglement to test if messages can hypothetically travel into the past. Efficiency surprise: Models show noisy time loops ...

Ultra-deep tech startup Nirvanic put on a fairly humble-looking robotics demo at Jeff Bezos's private MARS 2025 conference – and while the team is adamant that this implies no endorsement from Bezos ...

Newly achieved precise control over light emitted from incredibly tiny sources, a few nanometers in size, embedded in two-dimensional (2D) materials could lead to remarkably high-resolution monitors ...