"You touch the future - you teach!"

(nameles author)
Rocket engineering
In the physics practicles, rockets with solid fuel engines and parachutes are developed and launched:
A mission to outer space
CountdownCountdown
As excitement grows, astronauts, engineers and technicians remain calm and concentrate on their jobs. As excitement grows, astronauts, engineers and technicians remain calm and concentrate on their jobs.
LaunchLaunch
Launch is when nobody dares to speak. Launch is when nobody dares to speak.
Crash LandingCrash Landing
This rocket never made it to the Moon! (Don't worry: The crew is save!) This rocket never made it to the Moon! (Don't worry: The crew is save!)
Save Landing (1/3)Save Landing (1/3)
No-one injured during this incredibly save and smooth landing! No-one injured during this incredibly save and smooth landing!
Save Landing (2/3)Save Landing (2/3)
The rocket gently moves downwards thanks to the dedicated parachute. The rocket gently moves downwards thanks to the dedicated parachute.
Save Landing (3/3)Save Landing (3/3)
A landing better than ever trained in the simulator! A landing better than ever trained in the simulator!
A horrible false start.
This is what happens when a rocket engine explodes right after the launch. The whole rocket bursts into flames, and there is no rescue for the crew members.