Toxic Compounds Search Results

How To: Prevent accidentally breaking a traditional-style archery bow

The problem with traditional wooden bows are the inadvertent breaking or snapping of them. Compound bows and fiberglass reinforced bows are hard to break, but self-made wooden bows are prone to damage. This video serves up some great tips on preventing any accidental breaking of a traditional-style bow. To see more videos about traditional bow and arrows, check out Traditional Archery Bows on WonderHowTo.

News: Living Bacteria in Clothing Could Detect When You Come in Contact with Pathogens or Dangerous Chemicals

While at work, you notice your gloves changing color, and you know immediately that you've come in contact with dangerous chemicals. Bandages on a patient signal the presence of unseen, drug-resistant microbes. These are ideas that might have once seemed futuristic but are becoming a reality as researchers move forward with technology to use living bacteria in cloth to detect pathogens, pollutants, and particulates that endanger our lives.

How to "Eat" Your Sunscreen: 10 Nutrient-Rich Foods That Will Increase Your Sun Tolerance

Even as someone with super pale skin that burns instead of tanning, I don't use sunscreen nearly as often as I should. Or, uh...ever. My skin cancer prevention routine mostly involves hiding from the sun as much as humanly possible. If you're like me and hate the greasy feeling of sunscreen, there are other ways you can protect your skin by increasing your sun tolerance. Your diet actually has a lot to do with how easily you burn, so by getting enough of a few key nutrients, you can decrease ...

How to Make Ferrofluid: The Liquid of the Future

What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an organic solvent. For mechanical applications, it is used in hard drives and speakers as a lubricant. However, it also has been implemented in artwork, as seen in the video below.

How To: Learn to Code Your Own Games with This Hands-on Bundle

We've shared a capture-the-flag game for grabbing handshakes and cracking passwords for Wi-Fi, and there are some upcoming CTF games we plan on sharing for other Wi-Fi hacks and even a dead-drop game. While security-minded activities and war games are excellent ways to improve your hacking skills, coding a real video game is also an excellent exercise for improving your programming abilities.

How To: Make Coffee Mugs Gleam Like New with This Little-Known Cleaner

If you consider yourself a regular coffee, tea, or hot chocolate drinker, you probably have a kitchen cabinet full of stained mugs that refuse to scrub clean. Thankfully, there is a better solution that doesn't involve continuing to fight those stains with a sponge, bleach, and elbow grease. The answer to your coffee or tea stain problems is Cafiza: an awesome espresso machine cleaning product that is popular amongst professional baristas... but also doubles as an extremely effective ceramic ...

How To: De-Stink Old Smelly Jars with Two Simple Ingredients

It's so nice to be able to reuse old glass jars for food storage. Occasionally, though, even the sturdiest container has to be recycled because it retains the smell of its previous contents. Usually the culprit was garlic, garlic-based, or something pickled, and you're certainly not going to store your fresh herbs or fruit in that. There is, however, a quick and easy way to get that old stink out of your jar and make it usable again. You just need two things...

How To: Play the Comets and Craters iPhone tower defense game

Need a new iPhone app? Check out Comets and Craters, a new iPhone tower defense strategy game. These ten video tutorials cover all of the gameplay troubles you may have. Steve explains the features and gameplay to help you get the most out of playing Comets and Craters on your Apple iPhone. For those more seasoned Tower Defense players, the video's also provide some insight regarding scoring, upgrades, plus Tower and Enemy capabilities.