内容摘要：Sunak had also announced some of these same projects, including the development of a mass transit network in West Yorkshire, in his Network North plan, intended to compensate for the decision to scrap the HS2 line north of Birmingham.

Sunak had also announced some of these same projects, including the development of a mass transit network in West Yorkshire, in his Network North plan, intended to compensate for the decision to scrap the HS2 line north of Birmingham.

The secret sauce of Hotol was heat exchanger technology, an attempt to cool the super-heated 1,000C air that enters an engine at hypersonic speeds.Without cooling this will melt aluminium, and is, Mr Varvill says, "literally too hot to handle".

Fast forward three decades to October 2024 and Reaction Engines was bringing the heat exchanger to life at sites in the UK and US.UK Ministry of Defence funding took the company into hypersonic research with Rolls-Royce for an unmanned aircraft. But that was not enough to keep the business afloat.Rolls-Royce declines to go into details about Reaction's collapse, but Mr Varvill is more specific.

"Rolls-Royce said it had other priorities and the UK military has very little money."Aviation is a business with a very long gestation time for a product. It can take 20 years to develop an aircraft. This unforgiving journey is known as crossing the Valley of Death.

Mr Varvill knew the business had to raise more funds towards the end of 2024 but big investors were reluctant to jump on board.

"The game was being played right to the very end, but to cross the Valley of Death in aerospace is very hard."Burgundy is one of the most prestigious wine regions in France, and the US is its biggest export market. But now Donald Trump's tariffs are threatening to price European wine out of the American marketplace.

Crouched in cold mud under a thin Spring rain, vineyard employee Élodie Bonet snaps off unwanted vine shoots with her fingers and pruning clippers."We want the vine to put all its energy into the shoots that have the flowers where the grapes are going to grow," she explains.

I leave Élodie working her way down the rows of vines, and walk up to the house and winery in the Burgundy village of Morey-Saint-Denis, where I meet owner and winemaker Cécile Tremblay.She takes me down to her cellar to taste some of her prized red wines, standing among the oak barrels and old bottles with labels weathered by mould and age.