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cover of episode Ep 298: Forbidden USB-C, a Laser Glow-o-Scope, the Epoch Super Cassette Vision

Ep 298: Forbidden USB-C, a Laser Glow-o-Scope, the Epoch Super Cassette Vision

2024/11/29
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Hackaday Podcast
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两位主持人讨论了从小行星带回的样本中发现地球细菌的情况，这突显了即使在最严格的实验室条件下，也难以避免地球生物污染太空样本的难题。他们还讨论了此类污染对未来太空探索，特别是寻找地外生命可能造成的潜在影响。他们以酿造啤酒时难以避免细菌污染的经历作类比，生动地说明了这项任务的挑战性。 两位主持人还讨论了此事件的科学意义，指出虽然样本受到污染，但这并不影响对小行星样本本身的研究。此外，他们还探讨了此事件对未来太空探索的启示，特别是关于如何更好地防止地球生物污染其他星球的可能性。

Deep Dive

Chapters
The chapter discusses the challenges faced by the Asteroid Sample Return Project, particularly the contamination of the sample with Earth bacteria despite stringent clean room procedures.
  • Biological material resembling bacteria was found in an ultra-clean room.
  • The contamination was identified as Earth bacteria, highlighting the difficulty of preventing Earth life from contaminating samples.
  • The discovery underscores the persistence of Earth bacteria and the challenges of space exploration cleanliness.

Shownotes Transcript

This week's Hackaday podcast has a European feel, as Elliot Williams is joined by Jenny List for a look at the week's happenings in the world of cool hardware hacks. Starting with the week's news, those Redbox vending machines continue to capture the attention of hackers everywhere, and in the race to snag one before they're carted off for recycling someone has provided the missing hardware manual in the form of a wiki. Europeans can only look on wistfully. Then there's the curious case of life on the asteroid sample, despite the best efforts of modern science those pesky earth bacteria managed to breach all their anti-contamination measures. Anyone who's had a batch of homebrew go bad feels their pain.

The week provided plenty of hacks, with the team being wowed by [Bitluni]'s CRT-like laser projector, then the many ingenious ways to 3D-print a hinge, and perhaps one of the most unforgiving environments in the home for a piece of robotics. Meanwhile our appetite for cool stuff was sated by an entire family of Japanese games consoles we'd never heard of, and the little voltage reference whose data sheet also had an audio amplifier circuit. Finishing up, our colleague Arya has many unorthodox uses for a USB-C cable, and we have a frank exchange of views about Linux audio.

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