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How To: Make a Simple Fog Machine to Prank Your Roommates

Like theme music, I always feel that I need more fog in my life. Fog can be useful for many reasons—warding off smaller siblings from your bedroom, keeping curious hands out of your cupboard, and tricking your friends into thinking there's something horribly wrong with their vehicle. So, today we'll be making a very simple fog machine for small scale applications.

News: Playing an Electric Guitar With 100,000V

Video: . I made this Tesla Coil using the myRIO and LabVIEW. It uses electricity to play the music, which can be Star Wars, Harry Potter or even Hunger Games! The music is played by the spark heating the surrounding air (causing it to expand) then the spark turning off (causing the air to cool and contract). This expanding and contracting cause's longitudinal waves - or sound waves.

News: Freaking DIY Magma! Syracuse University Creates Recyclable Red-Hot Lava Flows

Believe it or not, it's possible to make your very own lava—if you have a furnace capable of heating up to 1,200 degrees Celsius, that is. Bob Wysocki and Jeff Karson started the Syracuse University Lava Project to study basaltic lava and give students a hands-on way (hypothetically, of course) to learn about it. Oh, and they also want to use it for art projects. Sign me up for that class! It all starts with 1.1 billion-year-old basalt gravel, which apparently anyone can buy. They put the gra...

Cook Like a Chef: Use Parchment Paper Lids Instead

Simmering or poaching food is a total pain sometimes. The problems are numerous: a layer exposed to air often dries out and creates a gross skin that can ruin the texture of the sauce, the poaching liquid evaporates too quickly and causes the poached protein to burn, and so on.

How To: Make an All-Night Campfire with Just One Log

The next time you're out camping, whether it's outdoors in the wilderness or right outside in your own backyard, try this hack out for an effortless campfire all night long. While there is definitely some prep work involved, it's well worth it if you don't need a huge bonfire, and more so if you plan on cooking meals over the flames.

How To: Fix the One Mistake Most People Make When Cooking with Garlic

Garlic isn't just a food, it's a legend. It's been found in the pyramids of Egypt and is referenced in the Bible. Hippocrates, the father of Western medicine, prescribed it regularly, and it was given to the first Olympic athletes in Ancient Greece to enhance performance (take that, Lance Armstrong). And, of course, it's famed for its ability to ward off evil, whether it's in the form of vampires, demons, or werewolves.

How To: 9 Ways to Cut an Onion Without Shedding Tears

Is it possible to cut or chop onions in the kitchen without stinging eyes and looking as if you just watched the saddest movie ever? Before we get to that answer, it's important to know why we tear up when cutting raw onions in the first place. What is this irritant? Are you reacting to the odor? The answer to the latter question is "no," and the irritant responsible is amino acid sulfoxides.