<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>gene-h</author><text>This article is complete BS. The abstract of the publication does not mention hydrogen at all, and in fact concerns storage and separation of acetylene and ethylene gas, which are hydrocarbons, not hydrogen.&lt;p&gt;This petrochemical storage and separation technique is about as far as it gets from green hydrogen</text><parent_chain></parent_chain></comment><story><title>“Eureka moment” as Australian researchers make hydrogen storage breakthrough</title><url>https://reneweconomy.com.au/eureka-moment-as-australian-researchers-make-hydrogen-storage-breakthrough/</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>s_Hogg</author><text>Anyone know what the catch is here? Very exciting if real, but sometimes these things don&amp;#x27;t scale&amp;#x2F;aren&amp;#x27;t commercial&amp;#x2F;something else I&amp;#x27;m ill-equipped to perceive.&lt;p&gt;Not trying to knock this by any means, I hope it works wonderfully!</text><parent_chain></parent_chain></comment><story><title>“Eureka moment” as Australian researchers make hydrogen storage breakthrough</title><url>https://reneweconomy.com.au/eureka-moment-as-australian-researchers-make-hydrogen-storage-breakthrough/</url></story>