内容摘要：Fundraising is also continuing for some remaining elements of the project.

Fundraising is also continuing for some remaining elements of the project.

Her boss Adam Dissel, president of Reaction Engines, ran the US arm of the business. He laments the unsuccessful struggle to wrest more funds from big names in aerospace."The technology consistently worked and was fairly mature. But some of our strategic investors weren't excited enough to put more money in and that put others off."

The main investors were Boeing, BAE Systems and Roll-Royce. He feels they could have done more to give the wider investment community confidence in Reaction Engines.It would have avoided a lot of pain."My team had put heart and soul into the company and we had a good cry. "

Did they really shed tears? "Absolutely, I had my tears at our final meeting where we joined hands and stood up. I said 'We still did great, take a bow."What lessons can we draw for other high-tech ventures? "You definitely have no choice but to be optimistic," says Mr Dissel.

The grim procedure of winding down the business took over as passwords and laptops were collected while servers were backed up in case "some future incarnation of the business can be preserved".

The company had been going in various guises for 35 years. "We didn't want it to go to rust. I expect the administrator will look for a buyer for the intellectual property assets," Mr Dissel adds."Many have spoken with Russia at various levels. But none of these talks have brought a reliable peace, or even stopped the war," Zelensky wrote.

"If the world reacts weakly to Putin's threats, he interprets it as a readiness to turn a blind eye to his actions," he added.On Wednesday, a delegation of Ukrainian officials including Deputy Prime Minister Yulia Svyrydenko and Presidential Office head Andriy Yermak were set to meet with US senators in Washington to discuss arms purchases and efforts to stop the fighting.

In a social media post, Yermak said that the delegation planned to discuss "defense support and the situation on the battlefield", sanctions against Russia and a previously signed reconstruction investment fund.The post also comes just days after a second round of direct peace talks in Istanbul between the warring sides ended without a major breakthrough, although they agreed to swap more prisoners of war.