Abstract: Aside from the natural background ionizing radiation that humans are constantly exposed to, there is a significant risk of elevated radiation levels from building materials with enhanced ...

Abstract: Air pollution is a serious threat to human health and the environment, and effective monitoring systems need to be developed to assess air quality in real time. Recent advancements in air ...

Watch our Sir Meccanica perform an external weld on a spigot using a shop-made bore welding stand. How does controlled welding improve alignment and strength? ACLU wins Supreme Court ruling in blow to ...