How To: Get Natural, Sparkling White Teeth on the Cheap
You Want White Teeth Without Expensive Over-The-Counter Products? Here's An Inexpensive, Effective Solution.
You Want White Teeth Without Expensive Over-The-Counter Products? Here's An Inexpensive, Effective Solution.
As some of you Mad Science readers will remember, we recently covered the separation of water into hydrogen and oxygen using electrolysis. Passing a current through water can rend it apart, but we can also recombine that oxygen and hydrogen to make electricity! This is the principle behind those vehicles run by hydrogen fuel cell engines.
Manicures are beautiful and can add class and style to any person. Here are some step-by-step instructions for giving yourself a DIY manicure.
Dactyloscopy isn’t going anywhere. Forensic science has much relied on fingerprinting as a means of identification, largely because of the massive amount of fingerprints stored in the FBI’s biometric database (IAFIS), which houses over 150,000 million prints. And thanks to the departure of messy ink-stained fingertips, biometric analysis isn’t just for solving crimes anymore.
There is nothing more annoying than a greedy roommate. It's absolutely infuriating to wake up and find the cookies your mother just made for you gone without a trace. Your favorite drink is empty and the homemade meal you worked so hard on the night before is nowhere to be found. This irked me so much that I made this shocking cookie jar. When a cookie burglar touches the side and the lid of the jar simultaneously, a small electric shock stops them in their tracks.
QI and ZA. QI n pl. -S the vital force that in Chinese thought is inherent in all things