Isn’t that the whole reason this is a breakthrough? It’s even discussed in the article... Professor Duncan Hand, director of the five-university EPSRC Centre f

Isn’t that the whole reason this is a breakthrough? It’s even discussed in the article... Professor Duncan Hand, director of the five-university EPSRC Centre for Innovative Manufacturing in Laser-based Production Processes based at Heriot-Watt, said: “Traditionally it has been very difficult to weld together dissimilar materials like glass and metal due to their different thermal properties - the high temperatures and highly different thermal expansions involved cause the glass to shatter.