A giant new tech hub near Shanghai successfully attracted major names like Tesla, but Lingang remains almost empty of residents three years into its launch.
Those with phobias of needles can now get tattoos without having to worry.
Scientists have developed a way to get a permanent tattoo without going under the needle and suffering through hours of pain.
The new technology is in the form of a skin patch that has microneedles smaller than grains of sand. While it still has “needle” in the name, these microscopic needles are of no comparison to the ordinary needles one would have to endure and the impact is painless and bloodless.
A cartoon illustrates results from the MICROSCOPE satellite mission, which has measured with astronomical sensitivity the falling rate of different objects under gravity.
—Matthew R. Francis is a physicist and freelance science writer based in Virginia.
—Maki Naro is a science illustrator based in New York.
Large-scale plants that make seawater drinkable supply urban areas, but the world needs portable versions to serve remote or refugee populations.