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src="https://th-thumbnailer.cdn-si-edu.com/D3pz5LOK846ziH75KTd8jdLq8vk=/400x300/filters:no_upscale():focal(2248x1509:2249x1510)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/77/7e/777e079e-ef73-4a7f-84e5-3d78722c9533/1.jpg" alt="An example of the American Pedometer with the decimal face and original packaging" width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/innovation/from-jealous-spouses-to-paranoid-bosses-pedometers-quantified-suspicion-in-the-19th-century-180985504/">From Jealous Spouses to Paranoid Bosses, Pedometers Quantified Suspicion in the 19th Century</a></h3> <p class="article-dek">The devices were used to track movement and measure productivity—an insightful foreshadowing of our current preoccupation with personal data</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 20, 2024, 11:14 a.m.">November 20, 2024</time></p> </div> </div> <div class="article-list-item"> <div 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nuclear-powered car lined with lead and other materials to protect its passengers from radiation would weigh at least 50 tons&mdash;more than 25 times as heavy as the average vehicle." width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/history/visions-of-nuclear-powered-cars-captivated-cold-war-america-but-the-technology-never-really-worked-180985437/">Visions of Nuclear-Powered Cars Captivated Cold War America, but the Technology Never Really Worked</a></h3> <p class="article-dek">From the Ford Nucleon to the Studebaker-Packard Astral, these vehicles failed to progress past the prototype stage in the 1950s and 1960s</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Nov. 13, 2024, 6 a.m.">November 13, 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/innovation/scientists-are-crafting-fake-whale-poop-and-dumping-it-in-the-ocean-180985436/"><img 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positively impacted our lives</p> <p class="article-published"><time class="pub-date" itemprop="published" data-pubdate="Oct. 15, 2024, 10:39 a.m.">October 15, 2024</time></p> </div> </div> <div class="article-list-item"> <div class="article-list-image"> <a href="/innovation/could-eelgrass-be-the-next-big-bio-based-building-material-180985203/"><img loading="lazy" src="https://th-thumbnailer.cdn-si-edu.com/GPYjVJ1FhTjs6XWjtziGoUi1ztM=/400x300/filters:no_upscale():focal(600x400:601x401)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/23/e9/23e957c9-e721-47c4-8b6c-01a8138de851/ls_tangtage_vesterbrofotograferne_20-1200px.jpg" alt="Thirty-six homes&mdash;the world&rsquo;s last topped with a traditional eelgrass roof&mdash;all sit here on Laeso." width="640" height="480" /></a> </div> <div class="article-list-text"> <h3><a href="/innovation/could-eelgrass-be-the-next-big-bio-based-building-material-180985203/">Could Eelgrass Be the Next Big Bio-Based Building 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