Rotating black holes may serve as gentle portals for hyperspace travel
One of the most cherished science fiction scenarios is using a black hole as a portal to another dimension or time or universe. That fantasy may be closer to reality than previously imagined. Read more.
Americans are back on the road after more than two months of coronavirus lockdowns that kept them homebound, with beach-area traffic tripling since the low point in mid-April, reports released on Friday showed. Read more.