The enormous spacecraft that will head to Jupiter's moon Europa uses four large reaction wheels to help keep it oriented.
Space Exploration
Nov 23, 2022
1
9
Skoltech scientists have proposed a concept for a modular Mars exploration rover. Leveraging the power of cooperative robotics, the new system first described in an Acta Astronautica paper consists of four two-wheeled robots ...
Space Exploration
Apr 14, 2022
0
24
It looks like the Perseverance rover has an unwanted passenger, a rock stuck inside one of its wheels. The image of the stone was selected by public input as the "Image of the Week" for Week 54 (Feb. 20–26, 2022) of the ...
Space Exploration
Mar 9, 2022
2
19
"Wheel of Time," the 14-book epic fantasy now turned into an Amazon Prime TV series, is a medieval-style adventure set in the Third Age of the World of the Wheel. While not explicit in the storyline, notes from the late author ...
Environment
Dec 22, 2021
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12
The ExoMars rover used in the Earth-based Mars Terrain Simulator makes escaping from a sand trap look easy in this exercise.
Space Exploration
Dec 3, 2021
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5
On 22 September, around midday, ESA's Integral spacecraft went into emergency Safe Mode. One of the spacecraft's three active 'reaction wheels' had turned off without warning and stopped spinning, causing a ripple effect ...
Space Exploration
Oct 19, 2021
2
49
A year ago tomorrow, a failure on the Integral spacecraft meant it fired its thrusters for likely the last time. In the days since, the spacecraft in Earth orbit has continued to shed light on the violent gamma ray universe, ...
Space Exploration
Jul 19, 2021
1
7
This time-lapse video, taken on Oct. 8, 2019, at NASA's Jet Propulsion Laboratory in Pasadena, California, captures the first time NASA's Mars 2020 rover has carried its full weight on its legs and wheels.
Space Exploration
Oct 25, 2019
0
8
More than any other driver-assist system out there today, people overestimate what Tesla's Autopilot can do, according to a new study.
Automotive
Jun 27, 2019
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0
At primary school you were taught that there are three primary colors: red, yellow and blue, and that you can mix these to make all other colors. This is not true. Or rather, it is only a rough approximation to the truth. ...
Other
Jun 14, 2019
0
6
