Firing Photons Makes Advance in Space Communication

April 10, 2008
The News Journal of Physics has published the results of an experiment concerned with the possibility of a quantum channel between space and Earth in the world-renowned New Journal of Physics.

The News Journal of Physics has published the results of an experiment concerned with the possibility of a quantum channel between space and Earth in the world-renowned New Journal of Physics. For the first time, physicists have identified individual returning photons after firing and reflecting them off of a space satellite in orbit almost 1,500 kilometers above the Earth.

Read the full article here

Sponsored Recommendations

Sept. 16, 2025
From robotic arms to high-speed conveyors, accuracy matters. Discover how encoders transform motor control by turning motion into real-time datadelivering tighter speed control...
Sept. 16, 2025
Keep high-torque gearboxes running efficiently with external lubrication and cooling systems delivered fast. Flexible configurations, sensor-ready monitoring, and stocked options...
Sept. 16, 2025
Now assembled in the U.S., compact P2.e planetary gear units combine maximum torque, thermal efficiency, and flexible configurations for heavy-duty applicationsavailable faster...
Sept. 16, 2025
Safety in automation goes beyond fences and emergency stops. Learn how functional safety actively monitors and controls motiondelivering smarter protection, greater flexibility...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!