News tagged with rotor speed


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Rear Wheel Trouble Continues

Spirit Rover: Rear Wheel Trouble Continues

Space & Earth / Space Exploration

created Dec 10, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- Results of diagnostic tests on Spirit's right-rear wheel on Sol 2109 (Dec. 8, 2009) continue to indicate a troubled wheel, which may leave the rover with only four operable wheels.


Unexpected Wheel-Test Results

Spirit Mars Rover: Unexpected Wheel-Test Results

Space & Earth / Space Exploration

created Dec 15, 2009 | popularity 4.9 / 5 (7) | comments 2

(PhysOrg.com) -- Diagnostic tests were run on Spirit's right-rear wheel and right-front wheel on Sol 2013 (Dec. 12, 2009).


 Further Tests Designed for Rover's Right-Rear Wheel

Further Tests Designed for Rover's Right-Rear Wheel

Space & Earth / Space Exploration

created Dec 08, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A series of diagnostic tests on Spirit's right-rear wheel on sols 2104 and 2105 (Dec. 3 and 4) investigated stalls that occurred on Sol 2099 (Nov. 28) and earlier. The rover team cannot draw ...


Another Stall of Right-Rear Wheel Ends Drive

Rover Spirit: Another Stall of Right-Rear Wheel Ends Drive

Space & Earth / Space Exploration

created Dec 02, 2009 | popularity 2.5 / 5 (2) | comments 0

(PhysOrg.com) -- Spirit's right-rear wheel stalled again on Sol 2099 (Nov. 28, 2009) during the first step of a two-step extrication maneuver.


TeliaSonera launches first commercial 4G/LTE network

Technology / Telecom

created Dec 14, 2009 | popularity 3.7 / 5 (3) | comments 1

Nordic telecom operator TeliaSonera announced Monday the launch in Stockholm and Oslo of the world's first commercial 4G/LTE mobile network, up to 10 times faster than current networks.


Flight of fancy

Flight of fancy: MIT autonomous mini-helicopter solves one tough challenge

Technology / Engineering

created Dec 03, 2009 | popularity 4.6 / 5 (13) | comments 2

In its first 18 years, the Association for Unmanned Vehicle Systems International’s annual aerial-robotics competition posed four successive challenges, which robotics researchers had to meet using entirely ...


Design chosen for British 1,000 mph car

Design chosen for British 1,000 mph car (w/ Video)

Technology / Engineering

created Nov 25, 2009 | popularity 4 / 5 (12) | comments 8

(PhysOrg.com) -- A British team hoping to be the first to get a car to 1,000 mph (1,610 km/h) has made its final design selection. The six-tonne car, known as the Bloodhound, will be powered by a Eurofighter ...


A little magic provides an atomic-level look at bone

Chemistry / Analytical Chemistry

created Dec 02, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A new study using solid-state NMR spectroscopy to analyze intact bone paves the way for atomic-level explorations of how disease and aging affect bone. The research by scientists at the University of Michigan ...


Elpida Begins Mass Production of 40nm 2-Gigabit DDR3 SDRAM

Technology / Semiconductors

created Dec 22, 2009 | popularity not rated yet | comments 0

Elpida Memory, Japan's leading global supplier of Dynamic Random Access Memory (DRAM), today announced that its Hiroshima Plant has begun volume production of 40nm process 2-gigabit DDR3 SDRAMs. Since completing development ...


Opera logo

Stable Opera 10.10 browser with Unite now available

Technology / Software

created Nov 24, 2009 | popularity 3.4 / 5 (8) | comments 2

(PhysOrg.com) -- The web browser Opera 10.10 has been released as a stable version, and it has a number of new features to enhance the browsing experience, including "Unite", which is a group of applications ...



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