The SCHOTT melting team has started casting the first mirror segments that will make up the 39-meter primary mirror (M-1) of the European Large Telescope (ELT). To make the segments, liquid glass ...
The first images from the Daniel K. Inouye Solar Telescope (DKIST) of the National Science Foundation (NSF) were published end of January: They show unprecedented details of the sun’s surface and ...
They are typically formed from a “former” such as silica sand, a “fluxing agent” such as Potash or Lithium Carbonate which aids in reducing the melting temperature of the Former and “stabilizers” such ...
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