<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>simonbarker87</author><text>I did my PhD on energy harvesting (specially focussing on hostile environments with high temperature or high radiation) around 15 years ago and harvesting from stray EM radiation was the holy grail for room temperature stuff where vibrations or heat gradients couldn’t be found.&lt;p&gt;If you’re willing to sacrifice always on connectivity and have a node report in on an infrequent basis then I always figured EM harvesting would be the way to go for most applications since even a tiny amount of energy can build up over time to become a useful amount.&lt;p&gt;I knew I’d gone deep into this world when I started thinking that micro watts was a large amount of power!</text><parent_chain></parent_chain></comment><story><title>Sony develops energy harvesting module from electromagnetic wave noise</title><url>https://www.sony-semicon.com/en/news/2023/2023090701.html</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>Workaccount2</author><text>Seems like a potential nightmare when your sensor network&amp;#x27;s operation is contingent on one badly tuned power circuit in a crappy Chinese LED floodlight in the janitors closet being perpetually left on.</text><parent_chain></parent_chain></comment><story><title>Sony develops energy harvesting module from electromagnetic wave noise</title><url>https://www.sony-semicon.com/en/news/2023/2023090701.html</url></story>