Proper now, the Mars rover Curiosity is trudging by means of the dusty terrain of the crimson planet, the place it’s been exhausting at work for over ten years. Amongst its many onboard units, the car-sized robotic has a machine on its stomach referred to as the “sample-analysis unit.” Curiosity makes use of its mechanical arm to place soil within the sample-analysis unit, which then vibrates at completely different frequencies to kind the grime into completely different little cups. Then the cups warmth as much as launch gasses, that are studied in numerous methods.
2013 marked the primary anniversary of Curiosity’s arrival on Mars, and the scientists at NASA considered one other means to make use of the sample-analysis unit. They programmed it to vibrate out a little bit tune. There, on their own on a planet 236.6 million miles from dwelling, Curiosity sang happy birthday to itself.
Curiosity has had ten birthdays since then, however the energy used up for singing is a restricted useful resource. NASA solely let Curiosity sing to itself that one time. On a much less tragic word, robotic lawnmower firm Husqvarna had a fleet of its machines use their alarm techniques to sing pleased birthday to Curiosity in 2022, celebrating the rover’s massive ten.
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