Science
- At −253°C, two experimental alloys keep cracks in check
Extreme cold can make a metal harder to deform while leaving it more vulnerable to cracking. Researchers have studied two experimental alloys based on…
- Webb maps an unexpectedly dense core in an ancient galaxy cluster
New observations from the James Webb Space Telescope reveal more about the structure of XLSSC 122, a galaxy cluster known since 2014. The findings were…