The initial reaction under UV excitation produces a ketyl radical from the benzophenone, which is inactive, and an alkylamino radical from the tertiary amine, which is very reactive.

As for the IRP, Secretary of State Grant Shapps continues to peddle snake oil, smoke and mirrors. His reaction to near-universal IRP condemnation from politicians, local and national media, and all but a few rail specialists was to dismiss the lot of us (in the condescending and patronising tone we have now come to expect) as critics and naysayers.

This was a shed in Covent Garden Market, thentofore dignified by the title of ‘Carpenter's Coffee House’ […] .

By the month of Þorri, a month which does not in fact exist in towns, I had become quite convinced – and indeed much earlier than that.