"It was going great until it fell apart." Richard Varvill recalls the emotional shock that hits home when a high-tech venture goes off the rails. The former chief technology officer speaks ruefully ...

COLORADO SPRINGS—Reaction Engines, the UK-U.S.-based pioneer of hypersonic propulsion and thermal management systems, has been forced into closure after failing to raise around £20 million ($25.7 ...

Adam Dissel, President of Reaction Engines, reported that business operations were being shutdown. The US business of the UK company operated for 8.5 years. They pushed the boundaries of propulsion ...

Collapsed UK firm Reaction Engines had a total deficiency of over £160 million ($216 million) when it fell into administration last month, including now-worthless shareholdings of more than £150 ...

The US business of the UK company operated for 8.5 years. They pushed the boundaries of propulsion and thermal management with our technology. The team achieved some astounding milestones and ...

Reaction Engines Ltd., today announces the signing of a €10m European Space Agency (ESA) contract which will enable the development of a ground based demonstrator of SABRETM, a new class […] ...

To be fair it's not solely a Brit thing. Every time anyone else has studied air-breathing rockets they find that the engine is optimized by getting rid of the air-breathing component. And horizontal ...

Subscribe Today to get the latest ExtremeTech news delivered right to your inbox.

Reaction Engines Ltd., a UK company behind a rocket engine designed for hypersonic flight, has had its valuation slashed by more than £200 million ($264 million) by two investors as it searches for ...

An experimental hypersonic test vehicle for the UK Royal Air Force presented by Reaction Engines at Farnborough Airshow 2022. Credit: Aviation Week Network Hypersonics expert and advocate Mark Lewis ...