<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>azalemeth</author><text>Very thin, very expensive, very low atomic mass number beryllium windows.</text><parent_chain><item><author>tgsovlerkhgsel</author><text>How do you get the particle out of a vacuum area into a non-vacuum area?</text></item><item><author>changoplatanero</author><text>I knew that particle accelerarors require a vacuum to operate so at first I didn&amp;#x27;t understand how you could stick your head in one without releasing the vacuum and stopping the accelerator. It turns out that the vacuum is only needed to accelerate the particles and then after that they can pass through normal air as they make their way to the sensors.</text></item></parent_chain></comment><story><title>What happens if you stick your head in a particle accelerator? (2017)</title><url>https://aeon.co/ideas/why-we-can-stop-worrying-and-love-the-particle-accelerator</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>changoplatanero</author><text>I&amp;#x27;m not an expert but I believe that the particles are traveling so fast and with so much energy that they just blast through the walls of the vacuum chamber</text><parent_chain><item><author>tgsovlerkhgsel</author><text>How do you get the particle out of a vacuum area into a non-vacuum area?</text></item><item><author>changoplatanero</author><text>I knew that particle accelerarors require a vacuum to operate so at first I didn&amp;#x27;t understand how you could stick your head in one without releasing the vacuum and stopping the accelerator. It turns out that the vacuum is only needed to accelerate the particles and then after that they can pass through normal air as they make their way to the sensors.</text></item></parent_chain></comment><story><title>What happens if you stick your head in a particle accelerator? (2017)</title><url>https://aeon.co/ideas/why-we-can-stop-worrying-and-love-the-particle-accelerator</url></story>