How Do Retroreflectors Give You Super Vision at Night?
The tiny optical devices turn up in lane markers, road signs, bike gear and even on the moon, helping us see under low-light conditions. ..
The tiny optical devices turn up in lane markers, road signs, bike gear and even on the moon, helping us see under low-light conditions. ..
A spate of studies claim that the disease was circulating in Italy long before the pandemic—but they struggle to support the theory. ..
Overfishing, habitat loss, and climate change are driving species collectively known as chondrichthyan fishes toward a global crisis. ..
Catch up on the most important updates from this week. ..
Using cameras aboard the Hayabusa2 spacecraft, Japanese scientists get a rare, close-up glimpse of a space rock’s structure. ..
A decade of work helped limit the spread of dangerous pathogens in medical settings. Overcrowding from Covid care is allowing infections to rise again. ..
Fusion power plants will eventually replace most conventional power plants and related large-scale energy infrastructure that are still so dominant today. ..
The new finding underscores the complexity of marine mammals’ social life and cognition. It may also help save the snoopy cetaceans. ..
Studies have been small and often not great. The best info so far says don’t use it, get vaccinated, and hang in there for the more promising meds being ..
Mathematician Ian Stewart explains the twisty history of combinatorial optimization. ..