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Transmission


— Space

NASA's LLCD tests confirm laser communication capabilities in space

By - December 26, 2013 7 Pictures
This week, NASA released the results of its Lunar Laser Communication Demonstration’s (LLCD) 30-day test carried out by its Lunar Atmosphere and Dust Environment Explorer (LADEE) that is currently in orbit around the Moon. According to the space agency, the LLCD mission proved that laser communications are practical at a distance of a quarter of a million miles and that such a system could perform as well, if not better, than any NASA radio system. Read More
— Space

LADEE sets data transmission record from lunar orbit

By - October 23, 2013 23 Pictures
NASA’s Lunar Laser Communication Demonstration (LLCD) experiment made history yesterday as it beamed data back to Earth from lunar orbit at previously unheard of speed for a space mission. Operating from the LADEE lunar orbiter, the LLCD used lasers to transmit data to Earth at 622 megabits per second (Mbps) as a demonstration of a technology that NASA hopes will one day not only keep up with the communications demands of future missions, but also greatly enhance their capabilities. Read More
— Telecommunications

Quantum key air to ground transmission could be future of cryptography

By - May 9, 2013 4 Pictures
For the first time, quantum cryptographers have successfully transmitted a quantum key from a fast-moving object – a Dornier 228 turboprop. The experiment involved sending a secure message from the aircraft to a ground station via laser beam, and can be considered a significant step toward the creation of a network of “unbreakable” satellite data transmissions. Read More
— Automotive

Ford and GM team up on fuel-saving 9- and 10-speed transmissions

By - April 18, 2013 2 Pictures
Over the course of the past several years, German manufacturer ZF Friedrichshafen has introduced 8- and 9-speed transmissions. Vehicle models from the likes of Chrysler and Land Rover have made use of the new hardware, touting fuel economy gains and other advantages. Now, the other two major Detroit auto manufacturers are teaming up to develop 9-speed transmissions of their own, and they're taking it one step further: 10-speed transmissions. Read More
— Bicycles

Pinion sealed gearbox offers an alternative to those darn derailleurs

By - March 13, 2013 8 Pictures
Rear derailleurs are problematic, particularly on mountain bikes. They get bent, they get gunked up, and they’re exposed to the elements. While sealed hub transmissions lack these problems, not all of them have axles that are strong enough for multi-terrain use, they add revolving weight, and that weight is added in the back of the bike – not low and in the middle, where you want it. German company Pinion has developed what it claims is something better ... a sealed gearbox located adjacent to the bottom bracket. Read More
— Automotive

Land Rover introduces first 9-speed automatic gearbox

By - March 4, 2013 17 Pictures
Land Rover has announced that it will demonstrate the world's first nine-speed automatic transmission for a passenger car at the 2013 Geneva Motor Show. The ZF HP9 9-speed gearbox has a higher top gear in a more compact design, in order to fit in the same space as conventional 6-speed transmissions. According to Land Rover, it will also provide smoother gear shifts with improved accelerations and lower fuel consumption. Read More
— Automotive

GM's TapShift technology shows why automatic transmissions may soon replace manuals

By - February 24, 2012 24 Pictures
The 2012 Chevy Camaro ZL1 - the most powerful production Camaro ever - will make use of the latest iteration of TapShift technology. This automated transmission option allows drivers to move through gears using paddle shifters. The updated 2012 TapShift system creates faster shifts, that make the automatic Camaro quicker to 60 mph ( 96.5 km/h) than the manual version. While the transmission choice for a muscle car as fast and powerful as the ZL1 would traditionally have been obvious in the past (manual all the way), GM's updated TapShift technology makes a strong case for the automatic. Read More
— Automotive

Oerlikon Graziano's next-gen transmissions for agricultural equipment

By - December 8, 2011 3 Pictures
In a move that should see the humble agricultural equipment of the future both cleaner and more efficient, Oerlikon Graziano - a supplier to the likes of Ferrari and Lamborghini - has come up with an innovative a range of transmissions, including a mechanical continuously variable transmission (CVT) for small tractors. Released at Agritechnica in Germany last month, these new drive-trains are claimed to provide higher road speeds and be easier to operate so that the equipment can get to its work site much quicker without the need for a float or trailer. Read More
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