Do Invisible Water Experiment

Want to make boring old colorless water brighten up on command? Well, you can control the color of water with this little magic trick. Actually, it's not really magic, but a classic science experiment known commonly as the iodine clock reaction, which uses the reactions betwee ...more

Sure it's been done before, but it never gets old. There's something magical about dry ice, bubbles, and especially the result you see when they're combined! Video: . For this experiment, I filled a bowl about half full with warm water, and placed a few chunks of dry ice insid ...more

It's a small but very real frustration: you want a chilled drink, but you open the freezer only to see nothing but empty ice trays. Fortunately, there's a simple way to make ice cubes quickly—use hot water. Yup, you read that correctly. Hot water freezes more rapidly than cold ...more

Onshore, or on a boat, have you ever wondered what swims below in the dark water? Using standard equipment and a new process, marine scientists can now get a good look at what is swimming by—just by analyzing the water. Taking stock of fish living or passing through a river, ...more

Sound waves are a lot more versatile than you'd think. For starters, you can use them to project images onto a bubble and liquefy gummy bears. And now, YouTube scientist and optical illusionist extraordinaire Brusspup shows how sound waves can also be used to manipulate a stre ...more

Impossible, right? Ahh, well science says fire and ice can and do coexist. The Science of this experiment:Dry ice at -109ºF, is frozen carbon dioxide (CO2), not water (H2O). Dry ice is also much colder than a freezer ice cube. To be exact it is almost as cold as Earth's cold ...more

Ralph Waldo Emerson once observed that "the seed of science" was "wonder," and taking a look at this nine-layer liquid tower from Steve Spangler's Sick Science! channel, one can't help but do just that — wonder. How is this possible? Is this magic or what? While it's not exac ...more

If you drop your smartphone in water, take it apart as much as you can and place it in rice. It's been the most recommended method of cell phone rescue since the days of clamshells. In fact, it's usually the only thing recommended when searching for "how to save your wet phone ...more

When the arrow is moved to a particular distance behind the glass, it looks like it reversed itself. When light passes from one material to another, it can bend or refract. In the experiment that you just completed, light traveled from the air, through the glass, through the w ...more

There's no shortage of ways to filter water, but it doesn't get much simpler than this. Researchers at MIT have found that you can turn dirty water into drinking water with nothing more than a stick. Mechanical engineer Rohit Karnik figured out that the xylem tissue in plants ...more

Preparing and serving seafood can be a daunting task. Fish is so delicate that one extra minute of heat can turn a juicy, flaky filet into a dried-out disaster. But that same fragility also allows us to use unconventional methods to chemically transform the fish into its cooke ...more

Here's how to make dry-ice at home, or wherever you feel like it! All you need is a pillow case, and a CO2 fire extinguisher. Video: . WARNING: Dry Ice is extremely cold! (-78C/-109F) and can cause instant frost-bite to exposed skin. This project should not be attempted withou ...more

Do you have a major mosquito problem? Well, here's a solution used by the military to drastically cut down their numbers. Video: . Step 1: Getting Started. Grab a plastic bottle from your recycle bin. The bigger the better. This concept will work with many types of containers ...more

While you may look ridiculous doing the potty dance and crossing your legs back and forth, holding it in can be worth the discomfort when you've got an important decision to make. While it's well known that we make more impulsive decisions when under visceral states, such as ...more

Welcome back, my greenhorn hackers! Continuing with my Wi-Fi hacking series, this article will focus on creating an invisible rogue access point, which is an access point that's not authorized by the information technology staff and may be a significant security vulnerability ...more

Cooking rice, pasta, and other grains in water is so boring. There is a much better way to guarantee they will have your mouth chewing something seriously tasty: cook them in something that isn't water. Alternative liquids such as stock, milk, juice, or even tea will give blan ...more

In this video, I will show you how to make copper glow red hot with the catalytic oxidation of acetone. For this science experiment, we'll just need some acetone, copper wire, and a flame source to initially heat the copper coil we'll make. Video: . Materials Needed Pure acet ...more

Everything you thought you knew about cooking pasta is wrong. When I took cooking classes in Italy, they taught me to bring a large volume of salted water to a rolling boil, add a drop of olive oil so that the noodles wouldn't stick together, and wait several minutes until it ...more

Unless you're a pretty avid home cook, you probably don't know a lot about sous vide. Sous vide is a low-temperature cooking method where food is cooked in vacuum-sealed plastic bags in a water bath for a prolonged period of time. Sous vide machines are used mostly in high-en ...more

While it's easy to make fun of water with "electrolytes," there's actually some science behind it. Despite the name, electrolyte-enhanced water isn't all that high-tech, it mostly means that it's been infused with vitamins and minerals such as potassium and sodium, which are v ...more

As a kid, my mother would always bring the noodles onto the table in a colander, then bring the pot of sauce she cooked separately. So I grew up with the idea that pasta and sauce were two separate entities that you combined table-side, and continued to eat pasta that way well ...more

Having a store-bought cold pack on the ready is the perfect solution for minor bumps, bruises, sprains, and strains, but why spend money on bright blue ice packs when you can make your own right at home? These homemade cold compresses will give your the same level of pain rel ...more

Things aren't looking good for Uber after its driverless experiment in Pittsburgh soured relations with local authorities. Surprised? Me neither. The New York Times reports that the ride-sharing company didn't fulfill their end of the bargain in terms of job creation in low-i ...more

This is a tale about microbes, a man who became a hermit, and the parchment that carries both of their stories. Sometime around 1190 AD in Italy, a man named Laurentius Loricatus was born. Trained to be a soldier, Loricatus killed someone by accident and was stricken with rem ...more

Boozing it up at work might have been okay back in the days of Mad Men, but today, employers prefer that their workers stay sober. What you and your bosses probably don't know is that a little drinking on the job can actually increase your creative capacity and problem-solving ...more

You Want White Teeth Without Expensive Over-The-Counter Products? Here's An Inexpensive, Effective Solution. Everywhere you look there are products for whitening teeth. You could spend a fortune on products you have to use everyday. This tutorial will show you a natural, inex ...more

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going t ...more

McDonald's is probably the most recognizable fast food chain in the entire world, with over 34,000 restaurants in more than 100 countries. In may not be the healthiest place to get a meal, but like millions of kids in America, I grew up on McDonald's unquestionably delicious p ...more

Think of the coolest, most unique way to create art that you can. Got it? Now think about creating that art out of living things. The American Society For Microbiology (ASM) holds an annual art contest, but it's no ordinary art they look for. The ASM looks for agar art, which ...more

Nintendo set the internet ablaze Wednesday night with two big announcements. First, Nintendo revealed that the Switch's paid online service will begin in September (boo), but it was the other report that really got fans excited — Mario Kart is coming to your iPhone. The news ...more

The year 2018 was a rough one for Snap, the company behind the Snapchat app and the Spectacles wearable camera device. From executive departures to reports of slowed user growth, the company that once spurned Facebook's multibillion-dollar advances is now facing a moment of tr ...more

If there ever was a day to eat green candy, St. Patrick's Day would be it. But is there something better than the banality of green candy swarming the streets on St. Patty's Day? Yes—glowing green candy, and Instructables user BrittLiv wants us to show you how it's done. She ...more

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more

Packaged macaroni and cheese dinners can be a quick, guilty pleasure, but making the real thing can be easy, too. This is the perfect recipe for a rainy day (and great for kids on spring break!) Prep Time: 20 minutes Cooking Time: 30 minutes Ingredients 2 cups macaroni nood ...more

When he's not taking orbital videos of Earth's auroras, NASA Astronaut Don Pettit is experimenting with water in zero gravity. He's already shown us how water droplets can orbit around knitting needles in a microgravity environment. Now he's playing with water again, this time ...more