In this episode of Periodic Videos, professor Sir Martyn Poliakoff from the School of Chemistry at The University of Nottingham describes the process of making a spoon from an alloy that melts in a cup of hot tea. The alloy is called Field’s Alloy and it has a melting temperature of 62 °C (144 °F). It was named after its inventor, Simon Quellen Field of SciToys and is made from bismuth, lead, and tin. Here’s Simon’s article about the alloy.
Chris Notap used a small, cheap vacuum pump to suck the air out of a variety of plastic containers ranging from bread bags to 55 gallon drums.
As the air leaves the chamber, the marshmallow gummy bear bloats. Its candy skin forms fissures. After it reaches its maximum size, the operator opens a valve. The bear implodes under atmospheric pressure, becoming a puddly lump at the bottom of the chamber.
We live during a time where cyberattacks regularly make news headlines, so it should come as no surprise that cybersecurity professionals are experiencing a surge in demand at even the entry level, making now the ideal time to learn the tools of the trade if you’re considering a career switch. The 2018 Supercharged Cybersecurity Bundle offers […]
It’s no secret that companies are eager to hire new project managers and pay them hefty salaries to ensure their initiatives make it from A to B. However, demand alone isn’t quite enough to get your foot in the door as a project manager these days. Without the right certifications, companies will have a hard time […]
Whether you’re looking to switch careers or advance in the one you’re in, chances are you’re going to need to add some new skills to your repertoire before you can make your move. While going back to school is certainly an option, Virtual Training Company makes it possible for users to acquire new skills in […]
www.big4all.org #news #info #magazine #photo #pictures #world #health #crash #sport #business #gadgets #space #nature #social #follow #movie #celebrity #society #politic #tricks #tips #learn