Chemical Methods Search Results

News: New Study Says Stopping Slimy Biofilms Could Save Thousands a Year from Legionnaires' Disease

In the summer of 1976, 4,000 American Legionnaires descended upon the Bellevue-Stratford Hotel in Philadelphia, Pennsylvania, for a four-day convention. Several days later, many of the attendees experienced symptoms of severe pneumonia. By the beginning of August, 22 people had died. The Centers for Disease Control and Prevention (CDC) estimate that about 180 people were sickened and 29 people died before this mysterious outbreak burnt out.

How To: Swap the 'Back' & 'Recent Apps' Buttons on Your Nexus 6P

If you find yourself switching between Android devices frequently—for instance, your Nexus 6P and a Samsung tablet—you've probably noticed how the button placement can be different. Normally, it's back, then home, then the recent apps button, from left to right. But Samsung devices have this backwards, which can lead to frustration when muscle memory kicks in and the back button isn't where you expect it to be.

How To: Bypass School Internet Filters to Unblock Websites

School internet filters serve a valid purpose—they keep students from wandering off into the deep corners of the web while still allowing at least some internet access. But a lot of these restrictions are completely ridiculous, to the point where some school districts block access to the educational material in National Geographic or forbid searching terms like "China," "Iran," or "Russia"—because, you know, breasts and commies.

How To: Take Screenshots in Windows 10

Screenshots are an indispensable tool when it comes to relaying information about what's currently showing on your monitor. Whether you need help troubleshooting an issue or you just want to save and share a protected image, screenshots are often your best bet.

How To: Cook Steak on the Coals

Cooking Steak directly on the coals with no grill. Given many different names including caveman steaks or dirty steaks, this method involves placing the steak directly on red-hot lump charcoal to obtain a fantastic texture & taste that's as good as most restaurants.

How To: OpenSSL Unique Encryption/Decryption Scripts

In this tutorial I will be explaining the purpose of unique encryption/decryption scripts ( I will be referring to these at "UEDS" for this tutorial). Then, I will show you how to make one. Finally I will talk about the downsides to the method I use. I will also provide links explaining the concepts and algorithms used in encryption to anyone who wants to see what is going on under the hood.

Hot vs. Cold Brew Tea & Coffee: Which Ones Are Better for You?

Cold brewing tea and coffee are all the rage, and for good reason: they're idiot-proof. I, personally, am a total dunce at brewing coffee. It either ends up strong enough to peel paint from a car or so weak that you can see through it. Meanwhile, I have friends who inevitably brew green tea to the point where it's painful to drink it.

How To: Make an Alternative Way to Cook Food

There is always an easier way to do something whether you want to clean, organize, freshen the smell, get water into a bucket that won't fit in your sink. The same principle applies when cooking. Sure you could cook food in an oven, microwave it, boil it, fry it, cook it with a solar cooker, but there is an easier and inexpensive method.

How To: Shoot cards into the air

This kid has great instincts for teaching magic or card tricks as he instructs with multiple camera angles the best methods for shooting cards in the air. He also has different finger and grip techniques for multiple cards and different spins.

How To: Clean and detail an engine

Learn how to clean your auto engine with these great tips. • Apply spray wax to fenders to prevent spotting on the paint, from engine degreaser. • An alternator is a crucial electrical device which must be protected from water and other chemicals. as a precaution, cover it with a plastic bag and the distributor cap if it is visible. • Spray WD40 on any exposed wires to prevent water or chemicals from penetrating. • Wet underneath the hood; wet the engine; use low pressure water on the engine ...