Have you ever wondered how black lights, or mirrors work? This collection of articles will explain the workings of some of the most common inventions and innovations you come into contact with everyday.
We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?
If you've ever been to an aerial fireworks show, then you know that fireworks have a magic all their own. Ever wonder how they make such incredible colors and designs? Learn all about these pyrotechnics!
Want to keep your dog out of the neighbor's yard but feeling guilty pulling out a leash? You might consider an underground or wireless pet fence. Learn how these fascinating systems work and why this specialized fencing industry is booming.
In the past few years, tooth-whitening has exploded as the physical upgrade of choice. Unlike nose jobs and chin tucks, just about anybody can afford to try this at home. Learn about different whitening techniques and how they work, and decide if you should give it a try.
On July 2, 2001, heart failure patients gained new hope, as surgeons performed the first artificial heart transplant in nearly two decades. The AbioCor Implantable Replacement Heart is the first completely self-contained artificial heart and is expected to at least double the life expectancy of patients.
You see light sticks everywhere during the holidays – especially Halloween. Have you ever wondered why these cool light sources glow? What's happening when you crack one? Take a look inside a light stick.
Before digital cameras, you needed instant film to get instant pictures. With instant-film photography, you can watch the image slowly come together in a matter of minutes. While it seems like magic, the process relies on elements of science. Find ou
Black lights look like normal lights, but they do something completely different. Switch one on, and fingernails, laundry detergent, highlighters, money and teeth will glow in the dark. Find out what why.
Despite a ho-hum name, paper shredders have an extraordinary (and juicy) history featuring the likes of Oliver North, Enron and all sorts of spies. What story will thrust this commonplace technology back in the limelight next?
Stethoscopes started as a way for 19th-century doctors to put some distance between themselves and grubby patients. Today though, this simple listening tool is one of the best ways to diagnose a range of problems.