To use each core as an independent amplifier, it is essential to have negligible core-to-core crosstalk and pump-depletion-induced crosstalk. The worst-case core-to-core crosstalk for a six-core EDFA ...

Panels made from plastic and aluminium were installed on the sides of Grenfell Tower to make it warmer and drier. But the cladding has been blamed for helping flames to spread when fire broke out in ...

CLADDING on tower blocks was ripped down across the UK following the Grenfell Tower fire because of fears it could contribute towards another deadly blaze. Councils across the country tested materials ...

Inspired by experimental solar houses developed after the 1970s oil crisis, the Passive House certification emerged in the late 1980s as a response to growing concerns about energy efficiency and the ...

Theresa May is booed on her latest visit to meet Grenfell Tower residents Eleven residential high-rise buildings in eight local authority areas have been found with cladding which raises safety ...

Flat owners will not have to pay to remove dangerous cladding from lower-height buildings under new government plans, BBC Newsnight understands. It means leaseholders in buildings of between 11 and 18 ...