Materials http://machinedesign.com/taxonomy/term/8234/more en Researchers Develop World’s Thinnest Generator http://machinedesign.com/materials/researchers-develop-world-s-thinnest-generator <div class="field-byline"> Stephen Mraz </div> <div class="node-body article-body">Introducing the world’s thinnest electric generator.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/materials/researchers-develop-world-s-thinnest-generator" target="_blank">read more</a></p> http://machinedesign.com/materials/researchers-develop-world-s-thinnest-generator#comments Materials News Fri, 17 Oct 2014 15:35:00 +0000 41421 at http://machinedesign.com <p>Layers of molybdenum disulfide (MoS<sub>2</sub>), such as this sample, can be fashioned into light, flexible, and transparent electric generators only a few atoms thick.</p> Polonium and settled science http://machinedesign.com/blog/polonium-and-settled-science-0 <div class="node-body blog-body">What's up with polonium and its half-life?</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/skeptical-engineer">A Skeptical Engineer</a></li> </ul></div><p><a href="http://machinedesign.com/blog/polonium-and-settled-science-0" target="_blank">read more</a></p> http://machinedesign.com/blog/polonium-and-settled-science-0#comments Po-209 polonium Guest Commentary Materials A Skeptical Engineer Mon, 13 Oct 2014 20:07:00 +0000 41361 at http://machinedesign.com Earthquakeproofing for Concrete Bridges http://machinedesign.com/whats-inside/earthquakeproofing-concrete-bridges <div class="field-byline"> Stephen Mraz </div> <div class="node-body article-body">Engineers at Washington University have developed a design for the framework of columns and beams that support reinforced concrete bridges so they will better resist earthquakes and be erected faster and less expensively.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/whats-inside/earthquakeproofing-concrete-bridges" target="_blank">read more</a></p> http://machinedesign.com/whats-inside/earthquakeproofing-concrete-bridges#comments What's Inside? Materials Thu, 09 Oct 2014 18:37:00 +0000 41251 at http://machinedesign.com Metamaterials: Driving Performance in New Directions http://machinedesign.com/contributing-technical-experts/metamaterials-driving-performance-new-directions <div class="node-body article-body">Metamaterials get their amazing mechanical, electromagnetic, and acoustic properties from carefully controlled microstructures rather than from chemistry alone. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/contributing-technical-experts/metamaterials-driving-performance-new-directions" target="_blank">read more</a></p> http://machinedesign.com/contributing-technical-experts/metamaterials-driving-performance-new-directions#comments Contributing Technical Experts Materials Fri, 26 Sep 2014 15:46:00 +0000 41021 at http://machinedesign.com <p>Metamaterial cloaks can hide objects from bands of microwave radiation. (Image courtesy of David Schurig/Proceedings of the National Academy of Sciences)</p> Recycling Used Tires Into Battery Electrodes http://machinedesign.com/batteriespower-supplies/recycling-used-tires-battery-electrodes <div class="node-body article-body">Carbon black recycled from used car and truck tires could lead to better anodes for lithium-ion batteries if researchers at the Oak Ridge National Laboratory are successful. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/batteriespower-supplies/recycling-used-tires-battery-electrodes" target="_blank">read more</a></p> http://machinedesign.com/batteriespower-supplies/recycling-used-tires-battery-electrodes#comments Batteries/Power Supplies Materials News Fri, 26 Sep 2014 14:52:00 +0000 41001 at http://machinedesign.com Two Exotic Carbon Molecules Combine Into a Rectifier http://machinedesign.com/materials/two-exotic-carbon-molecules-combine-rectifier <div class="node-body article-body">Engineers at Stanford University combined two unconventional forms of carbon—buckminsterfullerene (also known as buckyballs) and diamondoids—and came up with a small electrical component: a rectifier. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/materials/two-exotic-carbon-molecules-combine-rectifier" target="_blank">read more</a></p> http://machinedesign.com/materials/two-exotic-carbon-molecules-combine-rectifier#comments Materials News Thu, 25 Sep 2014 19:59:00 +0000 40981 at http://machinedesign.com How to Save American Manufacturing http://machinedesign.com/guest-commentary/how-save-american-manufacturing <div class="field-byline"> William Killingsworth </div> <div class="field-deck"> U.S. manufacturing has recently been characterized by the closing of big plants and a hemorrhaging of jobs. Here’s what it will take to turn things around. </div> <div class="node-body article-body">U.S. manufacturing has recently been characterized by the closing of big plants and a hemorrhaging of jobs. Here’s what it will take to turn things around. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/guest-commentary/how-save-american-manufacturing" target="_blank">read more</a></p> http://machinedesign.com/guest-commentary/how-save-american-manufacturing#comments Guest Commentary Manufacturing Equipment Materials Motors/Drives Thu, 18 Sep 2014 15:24:00 +0000 40831 at http://machinedesign.com Navy Develops Tougher, See-Through Ceramic Armor http://machinedesign.com/materials/navy-develops-tougher-see-through-ceramic-armor <div class="field-deck"> Besides being transparent, the new armored windows would have a lower radar signature than currently used materials. </div> <div class="node-body article-body">Engineers at the Naval Research Laboratory (NRL) have used nanotechnology to increase the toughness of the transparent spinel armor it currently uses on optics, sensors, and windows on ships and other vehicles. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/materials/navy-develops-tougher-see-through-ceramic-armor" target="_blank">read more</a></p> http://machinedesign.com/materials/navy-develops-tougher-see-through-ceramic-armor#comments Defense Materials Tue, 09 Sep 2014 18:37:00 +0000 40631 at http://machinedesign.com Company To Build Reactor and Supply Medical Industry with Moly 99 http://machinedesign.com/materials/company-build-reactor-and-supply-medical-industry-moly-99 <div class="node-body article-body">Eden Radioisotopes LLC plans on building a new type of reactor that will be able to supply enough molybdenum-99 (molly 99) to meet the medical needs of the entire world. Molly 99, with a 66-hr half-life, decays into technetium-99m, which has a 6-hr half-life. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/materials/company-build-reactor-and-supply-medical-industry-moly-99" target="_blank">read more</a></p> http://machinedesign.com/materials/company-build-reactor-and-supply-medical-industry-moly-99#comments Medical Materials Tue, 09 Sep 2014 15:27:00 +0000 40601 at http://machinedesign.com 3D Printing and Silicone Ink Lead to Energy-Absorbing Parts http://machinedesign.com/3d-printing/3d-printing-and-silicone-ink-lead-energy-absorbing-parts <div class="field-byline"> Stephen Mraz </div> <div class="node-body article-body">Researchers at Livermore National Laboratory have developed a silicone-based “ink” that can be used in 3D printers to make cushions and pads. The energy-absorbing parts can have different levels of softness determined by how the 3D printer deposits the ink...</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/3d-printing/3d-printing-and-silicone-ink-lead-energy-absorbing-parts" target="_blank">read more</a></p> http://machinedesign.com/3d-printing/3d-printing-and-silicone-ink-lead-energy-absorbing-parts#comments 3D Printing Materials News Wed, 27 Aug 2014 18:00:00 +0000 40361 at http://machinedesign.com <p>This silicone component has energy-absorbing properties that were predetermined by how the 3D printer that made the structure created layers of a newly developed silicone &ldquo;ink.&rdquo;</p>