Abstract: The optical fiber drawing process is considered in its totality–from source to forming zone to draw-down region and take-up end–as a problem in fluid dynamics. Fiber drawing of most glasses ...
Ukraine latest: Russian bomb attack injures more than 100; US unveils final funding boost for Ukraine days before Trump takes office The US has announced a $500m aid package for Ukraine, including ...
But we'll be back tomorrow with more updates on the war in Ukraine. Here are the key lines from today: Outgoing US defence secretary Lloyd Austin announced a $500m (£407m) aid package for Ukraine ...