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Imagine zooming in so close that you're seeing individual atoms dance together to form the <keyword id="23543459" type="General" weightage="100" keywordseo="tiniest-water-bubble" source="Orion">tiniest water bubble</keyword> ever recorded! Researchers at Northwestern University recently did just that — they captured a video of the smallest <keyword id="23543453" type="General" weightage="20" keywordseo="water-bubble" source="keywords">water bubble</keyword> known to science, measuring only 50 nanometers (about 0.000002 inches) in diameter. This microscopic marvel might not seem like much, but its implications for technology and <keyword id="19929542" type="General" weightage="20" keywordseo="space-exploration" source="keywords">space exploration</keyword> could be massive.<br /><h2>Science goes nano</h2>For the first time, scientists managed to film <keyword id="23543458" type="General" weightage="20" keywordseo="hydrogen-and-oxygen" source="keywords">hydrogen and oxygen</keyword> atoms coming together to form water in a reaction triggered by <keyword id="21034648" type="General" weightage="20" keywordseo="palladium" source="keywords">palladium</keyword>, a rare metal. This reaction was documented in such fine detail that it showed the tiniest water bubble ever seen by human eyes.<br />               <div type="Youtube" id="w4NRThvgJJo" title="Nano-sized bubble of water forms out of thin air" thumbUrl="https://i.ytimg.com/vi/w4NRThvgJJo/mqdefault.jpg"><url><![CDATA[https://youtu.be/w4NRThvgJJo]]></url></div>The process involved using an ultra-thin glassy membrane with honeycomb-shaped "nanoreactor" chambers to hold the gas molecules. This setup allowed researchers to monitor the bubble formation in real-time using advanced electron microscopes.<br /><br />"We think it might be the smallest bubble ever formed that has been viewed directly," notes lead author Yukun Liu. "Luckily, we were recording it, so we could prove to other people that we weren't crazy."<br /><h2>Why is it so hard to capture things this tiny?</h2>Taking images and videos of objects on such a tiny scale is no small feat. The main challenge lies in the size of the objects themselves — they are so minuscule that regular light-based microscopes can't detect them. To observe something like a 50-nanometer water bubble, researchers need to use electron microscopes, which can visualise objects at the <keyword id="23543454" type="General" weightage="20" keywordseo="atomic-level" source="keywords">atomic level</keyword>. These microscopes fire a beam of electrons (instead of light) at the object to create an image. <br /><br />However, the sample has to be stable under this intense electron bombardment, which isn't always possible with delicate <keyword id="23543457" type="General" weightage="20" keywordseo="nanoscale-reactions" source="keywords">nanoscale reactions</keyword>. Moreover, the imaging process must be incredibly precise to capture the exact moment when atoms combine to form molecules. Even the tiniest disturbance can blur the image or distort the video. Despite these challenges, advancements in <keyword id="20080671" type="General" weightage="20" keywordseo="nanotechnology" source="keywords">nanotechnology</keyword> and materials science have enabled scientists to visualise reactions that were once invisible.<br />          <div type="Article" hostid="261" msid="114190419" title="The Harvard students who added AI facial recognition to Meta glasses share some of their other big ideas" mstype="2" mssubtype="0"></div>Over the years, our ability to observe and record nanoscale reactions has improved significantly. Early attempts to capture atomic and molecular movements were limited to static images that barely scratched the surface of what was happening at the nanoscale. But thanks to innovations in <keyword id="23543456" type="General" weightage="20" keywordseo="electron-microscopy" source="keywords">electron microscopy</keyword> and nanoreactor designs, scientists can now create real-time videos of molecular transformations, as demonstrated in this latest study.<br /><br />Northwestern University’s team used a newly developed technique that allows them to capture these fleeting moments in unprecedented detail. This breakthrough marks a considerable leap in our understanding of nanoscale reactions, opening doors to innovations in chemistry, materials science, and even space technology.<br /><h2>Making water out of thin air</h2>One of the most exciting applications of this technology could be in space exploration. The researchers believe that a scaled-up version of this reaction could help astronauts generate water directly in space. The reaction they documented is somewhat reminiscent of the scene in the movie <em>The Martian</em>, where Matt Damon's character creates water on Mars using fire and rocket fuel. But here, there's no need for such extreme conditions — the combination of palladium and gas is enough.<br /><br />Palladium, the catalyst used in this reaction, is an incredibly valuable and rare metal, often costing more than Rs 26,000 per 10 grams. Part of its scarcity is due to its versatility — it plays a critical role in catalysing numerous chemical reactions used across industries. While the expense might seem prohibitive for creating water-generation devices for space missions, the researchers argue that the benefits outweigh the costs.<br />          <div type="Article" hostid="261" msid="114013177" title="Tim Tully taught himself to code at age 6 and still codes daily. Here&amp;#39;s how computer science took him from startups to AI investing at Menlo Ventures." mstype="2" mssubtype="0"></div>"Palladium might seem expensive, but it's recyclable," Liu points out. "Our process doesn't consume it. The only thing consumed is gas, and hydrogen is the most abundant gas in the universe."<br /><br />As our ability to capture and understand these tiny reactions grows, so too does the potential to manipulate them for groundbreaking applications. Whether it's making water on Mars or enhancing chemical reactions here on Earth, this nano-sized bubble could pave the way for some very big things.<br /><br />The findings of this research have been published in <em>PNAS </em>and can be accessed <a href="https://www.pnas.org/doi/10.1073/pnas.2408277121">here</a>.<br />

WATCH: Researchers capture world’s first video of atoms combining to form the tiniest water bubble ever recorded!

Police thought an 18-year-old girl 'made up' being raped at knifepoint - the guy who did it is now spending 327 years in prison for 27 other rapes

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WATCH: Researchers capture world’s first video of atoms combining to form the tiniest water bubble ever recorded!

Ankush Banerjee

Police thought an 18-year-old girl 'made up' being raped at knifepoint - the guy who did it is now spending 327 years in prison for 27 other rapes

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