The basic concept of the rotating detonation engine (RDE) is so simple that it was born in the 1950s. RDE as a concept was first conceived at the University of Michigan in the 1950s, and is based on the idea that, unlike conventional internal combustion engines, the fuel is not burned but exploded in a circular chamber where the shock wave from the explosion travels along, providing propulsion while triggering another explosion – in other words, the process is self-sustaining until the fuel is used up.
19
Aug
Aug
According to NASA, the ice crystals in the contrails have the same structure as naturally occurring clouds, so they can remain trapped in the atmosphere for up to several hours, affecting the surface temperature, again in a similar way to classical clouds.
17
Aug
Aug
When we watch futuristic films, we usually see big skyscrapers and vehicles flying over each other in the city of the future.
12
Aug
Aug
The Quarterhorse’s Mach 5 speed of more than 6,000 km/h will shorten the New York to Paris distance to ninety minutes, and its first driverless prototype could soon be tested with funding from the US Air Force.
10
Aug
Aug
Lockheed Martin’s Skunk Works division is already building the machine, which will produce a low bang instead of a sonic boom: it is expected to be little louder than the noise of a vacuum cleaner.
09
Aug
Aug
Most modern aircraft are still in the testing or design stage. But Jetpack Aviation’s latest innovation has already passed its first test.