University of Maryland researchers aiming to combat rising global temperatures have developed a new "cooling glass" that can turn down the heat indoors without electricity by drawing on the cold depths of space.
阅读全文3D printing is advancing rapidly, and the range of materials that can be used has expanded considerably. While the technology was previously limited to fast-curing plastics, it has now been made suitable for slow-curing plastics as well. These have decisi
阅读全文