The only thing better than John’s love for oil painting is his willingness to share his brilliant projects with the world through social media. In this video, John delights his viewers by creating a ...

Abstract: In this study, we introduce a water-soluble, environmentally friendly UV photodetector (PD) fabricated on a polyvinyl alcohol (PVA) substrate with efficiently recyclable electrodes and ...

The National Postal Museum's website offers a variety of online activities for kids of all ages, including how to make your own time capsule!