Varje gång en halvljuslampa går sönder blir jag så ”@$%£&” för det är ju TRÅNGT. Fattar inte att det skall vara så svårt att komma åt. Det finns ju bilfabrikat som gjort det enkelt men trösten är att det finns stackare som har det värre.
Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter spacecraft has discovered that a solar flare is triggered by initially weak disturbances that quickly become more violent. This rapidly evolving process creates a ‘sky’ of raining plasma blobs that continue to fall even after […]
To land on the right foot on the Red Planet, European engineers have been dropping a skeleton of the four-legged ExoMars descent module at various speeds and heights on simulated martian surfaces.