Critall windows date back to the 1880s but their steel construction makes them vulnerable to damp.| BBC News
Magnets are central to much modern technology and firms are racing to make them more efficient.| BBC News
Despite controversy China's Temu is becoming a global online shopping force.| BBC News
AI could mean fewer accountancy jobs but is also taking over some of the more mundane tasks.| BBC News
Stockholm is buzzing with music tech start-ups but can the city repeat successes like Spotify?| BBC News
Many experienced aircraft engineers are retiring and the aerospace sector is struggling to replace them.| BBC News
The EU is introducing digital passports for products that detail their composition and production history.| BBC News
Cooling systems that avoid the use of polluting refrigerants are being launched.| BBC News
Humanoid robots are attracting a lot of investment but will China dominate the industry?| BBC News
Whole TV shows shot in one long take are made possible by new lightweight cameras.| BBC News
The US government has directed unprecedented sums of money at green energy projects.| BBC News
At Ocado's newest warehouse robotic arms are helping to pack customer orders.| BBC News
Glass bottle makers are having to invest in new tech to cut their hefty CO2 footprint.| BBC News
Music lovers are buying up old cassette, CD and record players and getting them fixed.| BBC News