Physicists have demonstrated accelerating light beams on flat surfaces, where acceleration has caused the beams to follow curved trajectories. However, a new experiment has pushed the boundaries of what’s possible to demonstrate in a lab. For the first time in an expeirment, physicists have demonstrated an accelerating light beam in curved space. Instead of traveling along a geodesic trajectory (the shortest path on a curved surface) it bends away from this trajectory due to the acceleration.
The science and tech world has been abuzz about quantum computers for years, but the devices are not yet affecting our daily lives. Quantum systems could seamlessly encrypt data, help us make sense of the huge amount of data we’ve already collected, and solve complex problems that even the most powerful supercomputers cannot – such as medical diagnostics and weather prediction.
Everything dies. To many, this seems to be the one absolute truth to the universe: Plants and animals rot and decay, stars explode and grow dark, planets crumble or are burned, and even black holes may radiate away. Indeed, our very atoms, which are the same atoms that make up everything else in the universe, decay into lighter elements as time marches on.
Overcoming a series of setbacks, an international project to build what could be a revolutionary nuclear fusion reactor, which will produce renewable energy, has reached a major milestone. Half of the infrastructure required for the International Thermonuclear Experimental Reactor (ITER) project has now been completed — seven years after construction officially began in 2010.
One of the underlying principles of quantum theory is that quantum objects can exist as waves or particles. But, they do not exist as either until they are measured, making it seemingly unachievable to identify or track quantum objects when they’re not being observed. But recently, physicists faced this issue and proved that it is not an impossibility to track unobserved quantum particles.
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Forget about today’s modest incremental advances in artificial intelligence, such as the increasing abilities of cars to drive themselves. Waiting in the wings might be a groundbreaking development: a machine that is aware of itself and its surroundings, and that could take in and process massive amounts of data in real time. It could be sent on dangerous missions, into space or combat. In addition to driving people around, it might be able to cook, clean, do laundry – and even keep humans company when other people aren’t nearby
Self-driving cars are expected to make our roads safer. Now, UK insurance company Direct Line is offering a discount to customers who use Tesla Autopilot to facilitate research into its effects.