How-to-scientists

News : 2009's Wackiest Inventions

As 2009 comes to a close, the Telegraph presents a compilation of this past year's wackiest inventions. As always, here at WonderHowTo, we are inspired and impressed by ingenuity. The contraptions below range from utter silliness (engagement ring bra) to downright amazing (see ...more

How To : Make potassium nitrate at home

Believe it or not, there are cheap ways to make potassium nitrate for your chemistry experiments. And the key ingredient… "sodium-free" salt. Watch this science video tutorial from Nurd Rage on how to make potassium nitrate at home with Dr. Lithium. You already learned how t ...more

How To : Create a Steampunk Persona

Before I really get into this article, it's important to note that you do not need a Steampunk persona (or "steamsona") in order to be a Steampunk, or wear Steampunk clothes. Some people like to pretend to be a different person when dressed up in Steampunk clothing, but that i ...more

Keep Champagne Bubbly (Hint : A Spoon Doesn't Work)

One booze hack that's been making the rounds for years is that inserting a spoon by the handle in a champagne bottle's neck will preserve its carbonation. This is one of those tips that I wish were true. Champagne is a great thing to have around on a special occasion, and it s ...more

How To : Make nitric acid

Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials. Warning: The procedures in this video produce large q ...more

How To : Make Solid Rocket Fuel at Home with Old Newspapers

Old newspapers come in handy for many different uses around the house, from birdcage liners to shipping cushioning and even a little fish cooking. But for backyard rocket scientists like Markus Bindhammer, they're more suitable as an ingredient for rocket propellant. Video: . ...more

How To : 14 Food Hacks You Need to Know for Grilling Season

It's that time of year where you need to break out the grill and cook food over red-hot coals, whether it's the beginning, middle, or end of summer. Even if you're not a grill master extraordinaire, you can use these hacks to fool your friends and family into thinking that you ...more

Echoisms : How to Measure Your Own Attractiveness

Have you ever heard symmetrical is sexier? Yep, according to scientists, symmetry is inherently more attractive to the Homo Sapien eye. Back in the days of Helen of Troy, Phidias, Plato and other great philosophers all observed the golden ratio, "a sum where the quantities to ...more

How To : Make green luminescent phosphorescent glow powder

It's a stormy winter night, and you're electricity goes out. You could grab some candles to add a little light to your life, or you could use glow-in-the-dark chemicals for a cool luminescent. Watch this science video tutorial from Nurd Rage on how to make a luminescent, phos ...more

News : Why Is Steampunk Plagued by Plague Doctors?

I'm sure that there are plenty of people out there who have no idea what a plague doctor is/was, so I'll start with an explanation. Despite what we now consider to be their relatively fearsome appearance, they were originally just doctors, and they have existed for as long as ...more

How To : Make potassium nitrate from instant cold packs

Watch this science video tutorial from Nurd Rage on how to make potassium nitrate from instant cold packs and potassium hydroxide. Warning: This reaction will produce large quantities of toxic ammonia gas. Perform the reaction outside or in a fume hood, and wear gloves when w ...more

News : 8 Tips and Tricks Every Steampunk Writer Should Know

While I am a writer with a degree in Creative Writing, I haven't published any Steampunk fiction. However, as a panelist and track director, I've been on panels with many well-known Steampunk writers and have gleaned insight from the things they've said. I've compiled some of ...more

How To : Perform three cool science experiments

Watch this science video tutorial from Nurd Rage on how to perform three cool science experiments with Dr. Lithium. Follow the vid and you'll now have more than one example of an investigatory project! These three experiments were too small to make into their own videos, so t ...more

Real Brain Food : What Geniuses Actually Eat, Part 1

It's common knowledge that certain foods foster brain development, health, and memory. Fish almost always makes the list, as do any foods that are loaded with antioxidants like blueberries, nuts, whole grains, green tea, and dark chocolate. Spices like turmeric are being studi ...more

How To : Make blue phosphorescent glow-in-the-dark powder

Making a blue glowing substance is easy, as long as you already know the secret to making green luminescent phosphorescent glow powder. By watching the green glow-in-the-dark procedure, you know that you will need strontium nitrate, aluminum nitrate, europium and dysprosium ni ...more

News : 10 Unconventional Hangover Cures

For most Americans, the bane of the hangover is typically remedied by lots of water, painkillers, greasy food, and a day wasted on the couch. But if you're tired of potato chips and fried eggs, perhaps it's time you enter unfamiliar territory. Below, a combination of unorthodo ...more

News : Old School Science Models

LIFE magazine has posted a gallery of bizarrely wonderful old school scientific models. Don't miss the giant fetus or massive colon (double ew). Behold, science education before computers ruled our world. A girl scout leans in to take a closer look at an enclosed model of the ...more

How To : Make a glow stick reaction with real chemicals

Watch this science video tutorial from Nurd Rage on how to make a glow stick reaction with real chemicals. The glowstick reaction is made using a diphenyl oxalate derivative known as bis(2,4,6-trichlorophenyl)oxalate or TCPO. Additional ingredients include ethyl acetate as a ...more

How To : 10 Reasons Why It's Better to Be a Jerk

Nice people finish first—or is it last? Though you may have been told throughout your life that being kind pays off, there are some obvious advantages to getting mean. So whether you're driving towards a goal at work, or need to attack a task in your personal life, acting like ...more

News : Starve E Coli of Copper to Cure Aggressive UTIs

Urinary tract infections (UTIs) drive over eight million people to seek medical attention every year. Almost all — as many as 90% — of those infections are caused by Escherichia coli. Copper can kill bacteria, but E. coli has found a way to capture the copper, preventing its a ...more

News : Make a tomato glow in the dark

Gather all Mad Scientists. Science doesn't have to be all about hitting the books and memorizing formulas. Sometimes it's closer to Frankenstein or Dr.Jekyll than you can imagine. It's time to turn tomatoes into glow in the dark orbs. Video producers ShootingEggs did not incl ...more

News : Sew No More! Spray on Dress (Better Not Melt...)

Fashion designer Manel Torres has teamed up with scientists at Imperial College London and designers at the Royal College of Art to invent spray-on clothing, an instant, sprayable, non-woven fabric-in-a-can. The innovative product (called Fabrican) promises to be useful in th ...more

How To : Turn pennies into silver and gold coins with zinc

One of the most famous and repeated chemistry experiments involves money. Some would say this is more of a trick than an experiment, but you can be the judge of that. No one can just turn pennies into silver or gold coins, but someone with a few chemicals can. So, if you want ...more

How To : 7 Aphrodisiac Cocktails to Put You in the Mood

There are so many cutesy pink, red, and heart-shaped desserts and drinks put out on Valentine's Day, but none of those really get you into a low-light mood. Instead, turn up the heat with one of these aphrodisiac cocktails for grown-ups. What all experts seem to agree on is t ...more

How To : Make copper sulfate from copper and sulfuric acid

Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method. Copper does not direct ...more

How To : Bash (Shell) Scripting for Beginners

Bash (Shell) Scripting for Beginners Intro I am an occasional Linux user currently playing around in CrunchBang and loving it. Prior to this, I used to dual-boot Windows and xfce-buntu (or xubuntu) at work, and due to some unforeseen circumstances, my screen always went fuzz ...more

News : Avoid trapped arm while cuddling or spooning

According to University of Minnesota scientists, "Harmonious sleeping is an acquired skill". If you're a spooner or hands-on cuddler, you know nothing is less romantic than getting dead arm. VideoJug had it with their cuddling qualms and made this great video to help rescue t ...more

How To : Make glass mirrors with silver nitrate

Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide. Glass surfaces can be given coatings of silver that make them into mirrors. WARNING: Perform the whole science experiment in ...more

How To : Get lithium metal from an Energizer battery

Watch this science video tutorial from Nurd Rage on how to get lithium metal from an Energizer battery. They show you how to get Lithium Metal from an Energizer Ultimate Lithium battery. There are a great many types of lithium batteries and the particular chemistry of interes ...more

How To : Make ammonium nitrate with NaHSO4 and nitrate salt

Okay, so you don't necessarily have to make ammonium nitrate to have ammonium nitrate — ammonium nitrate can simply be obtained from fertilizers and instant cold packs. Making homemade NH4NO3 can be much more expensive then buying it, but this video is not meant to be a viable ...more

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