So it turns out that Einstein may not have been wrong about the universal speed limit. Not only is special relativity safe, it provides an explanation for those faster-than-light neutrinos. They’re not breaking the light-speed barrier; they just appear to be, thanks to the relativistic motion of the clocks checking their speed.
Like a beach chair sagging under a sunbather’s weight, the fabric of spacetime does indeed warp around the mass of the Earth — just as Albert Einstein predicted. And like a swimmer moving through the water, the rotation of the Earth affects the movement of spacetime itself. A gravity probe whose origins date to the era before human spaceflight has finally proved general relativity right, according to NASA.
Scientists trying to explain the universe’s accelerating expansion usually point to dark energy, which seems to be pushing everything apart.
But an Indiana University professor has a new theory, reports New Scientist: We’re inside a black hole that exists in another universe. Specifically, a black hole that rebounded, somewhat like a spring.
CERN's Large Hadron Collider is currently the biggest science experiment in operation, but it may have to pass that mantle on soon enough. A collaboration between NASA and the ESA plans to launch three spacecraft into orbit around the sun 3 million miles apart, then have them shoot lasers at each other, all in the name of proving the existence of gravitational waves, the last piece of Einstein's relativity theory that is as yet unproved.
According to developmental psychologists, as infants, we learn to govern our bodies through a process of random experimentation and feedback. We contort our faces into weird shapes, watch our parents react, and then switch up our movements accordingly.
Now, computer scientists at the University of California, San Diego are applying this same strategy to robotics research. Through the use of machine learning, they've made it possible for their robot–an Einstein lookalike–to teach itself to make realistic facial expressions.