# Objects Float in Air

### How To : Float a ping pong ball in mid air with a hair dryer

Can you float a ping pong ball in mid air? According to Outreach Science Educator Jason Lindsey you can and all you need is a hair dryer. This is a great way to demonstrate wind and gravity with household objects. Check out this demonstration from Hooked On Science to learn m ...more

### How To : Create floating objects and razorblade props

In this tutorial, we learn how to create floating objects and razorblade props. First off, take your object and some double sided tape. Then, place the tape on the object to make it look invisible. After this, tape it to the middle of the plexi-glass. Have someone else help yo ...more

### How To : Make a cup float in mid air

Another winning video from the folks at videojug, watch and learn how to amaze your friends and make a cup float in mid air. Make a cup float in mid air. Click through to watch this video on videojug.com

### How To : Make a ball float in the air

This video demonstrates Bernoulli's Principle which states that, “For an ideal fluid (low speed air is a good approximation), with no work being performed on the fluid, an increase in velocity occurs simultaneously with decrease in pressure or a change in the fluid's gravitati ...more

### CHALLENGE : Can You Float on Air Like Tokyo's Levitating Girl? [Closed/Winner Announced]

Giveaway Tuesdays has officially ended! But don't sweat it, WonderHowTo has another World that's taken its place. Every Tuesday, Phone Snap! invites you to show off your cell phone photography skills. Submit your best shot to our weekly competition for a chance to win an awes ...more

### News : The Art of Simple Science

Why does the world work the way it does? Linda Dong takes basic scientific principles and translates them into beautifully simple, explanatory images. The narrower the light source, the more sharp an object's shadow becomes. (Foam core, light). A battery is anything that conv ...more

### Roger Ebert : Why I HATE 3-D (And You Should, Too)

Chicago Sun Times movie critic Roger Ebert hates 3-D. And when I say hate, I really mean hate. Check out Ebert's excerpted nine points below via Newsweek. 1. IT'S THE WASTE OF A DIMENSION. Our minds use the principle of perspective to provide the third dimension. Adding one a ...more

### How To : Build a blubberbot

This video is a quick overview of the construction of a Blubberbot, an artificial "life form" that uses electronic sensors to seek out lights, sound, or cell phone signals. Blubberbots are typically sold with instructions, which should be used for detailed instructions. But i ...more

### How To : Filter data using MS Excel 2010's PivotTable slicer

This video shows how to make a quick pivot table data filtering by using Excel 2010's ‘Slicer’ functionality. ‘Slicer’ delivers enhanced visual filtering method to allow you to get the data you need more quickly. When selecting a cell in the pivot table you will find ‘Slicer’ ...more

### How To : Fold and fly a tumblewing walkalong glider

The science-fiction author, Arthur C. Clarke, once said, "That any sufficiently advanced technology is indistinguishable from magic". Who would have thought that we could create a wave of air with a piece of cardboard, and fly a folded sheet of telephone book paper on the wave ...more

### How To : Find the crate glitch in Wizard101 (11/11/09)

A cool glitch for Wizard101. The crate glitch. There are plenty of glitches in this game, but the crate glitch is one to look out for. Check this video out for a tutorial on how to find the crate glitch in Wizard101 (11/11/09). There are so many things you can do with the cra ...more

### News : Levitation Contest

Hey Noobs! This isn't computer-related, but perhaps some of you are digital photography freaks. Check out our weekly challenge: Can You Float on Air Like Tokyo's Levitating Girl? All entries must be in by Monday, May 23rd, at 11:59pm PST. I encourage those in exotic location ...more

### DIY Challenge : Potato Cannon

Here is my entry for this weeks giveaway Tuesdays. It is my home made potato cannon rev2. The next step is to spray paint it so the purple isn't showing and to fix the valve. It was originally all 1inch PVC pipe but i cut the chamber and barrel off and made it 2inch PVC for bi ...more

### How To : Perform a quarter change magic trick

Learn how to perform the giant quarter change in this instructional video which takes you through this simple size changing coin magic trick step by step. You will need a a quarter and a prop giant quarter. Palming is an essential skill for many magic tricks, and creates the i ...more

### How To : Perform a skull levitation trick

Appear to make a skull float in mid air with this magic trick.

### How To : Make antigravity vehicles in Halo 3

In this episode of Halo 3 Tricks Spwee shows you antigravity vehicles and how to make vehicles free float in the air.

### How To : Install Windows in Your Classic VW Beetle Bug

Windows are an important part of a car that everyone should have. Sure feeling the wind against your face is great and all, but what happens if the wind is carrying bugs, water, or even other foreign objects in the air? The windows are there to protect you from anything that m ...more

### How To : Start a Briggs and Stratton Power Generator After 3 Years

My Briggs and Stratton power generator wasn't used for 3 years. Trying to start it again, lead to some problems. The video will show you the true story and the solution. The first problem was, that it lost some fuel - the fuel pipe was broken. In good hope I tried again to sta ...more

### How To : Perform the hummingbird magic trick

Need a new card trick? Learn how to magically make a card levitate above your hand and spin around in circles like a hummingbird. This trick takes a little set up time but the pay off will be well worth it. Float and spin a card in mid air and impress all onlookers. Perform th ...more

### How To : Test eggs for freshness

It's easy to find out if your eggs can be scrambled, fried, or used in a recipe - or if they need to be tossed in the trash. Watch this video to learn how to test eggs for freshness. You Will Need * Cold water * A large bowl * And eggs Step 1. Prepare your testing bowl Fil ...more

### News : Minecraft World's Ultimate Survival Guide, Part 1

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Note: As I thought of writing something like this, it sounded fairly simple. A one-stop guide for everything related to survival (survival mode, SMP) in Minecraft. But as I progress ...more

### How To : Compare buoyancy and density in a science experiment

This science video explains the relationship between buoyancy and density using hot air balloons, fish and cruise ships as examples of objects using buoyant force. This video tutorial also includes instructions for calculating the density of a rectangular prism and a liquid. I ...more

### How To : Make a Stack of Different Colored Liquids

Here's a simple home science experiment to demonstrate to kids the different weight and viscosity of various liquids. The liquids near the bottom are more dense while the liquids on top are less dense. This can also be used to determine the relative density of solid objects. P ...more

### News : Truly Insane Fire Animation

Brusspup once again blows my mind (see previously below). His latest project is an extremely well executed animation, using a grid of tea candles to represent classic video games. How did he do it? Most likely simple stop motion techniques (light a candle, take a picture; li ...more

### How To : Get Rid of All that Space Junk

How about a laser? One that is strong enough to nudge debris out of earth orbit. That's what NASA contractor James Mason wants to do, and his lab simulations suggest that the idea is possible. Mason wants to use a 5kW ground-based laser and a ground-based 1.5 meter telescope t ...more

### How To : Control your anger and temper

Getting angry makes you look weak, especially in an argument. Defuse your temper with these helpful tips. Controlling your anger requires a desire to understand its source, and to take action to tamp it down. Step 1: Count to 10 Declare a “time out” when you feel anger risi ...more

### How To : Say "NO" to TSA full body scanners at airports for National Opt-Out Day

Today is the day before Thanksgiving. It's also the BIGGEST travel day in North America. Everyone is taking flights home to their family and friends for a nice Thanksgiving dinner. But this holiday will be one to remember thanks to the TSA. The TSA has furnished over 400 full ...more

### How To : Obliterate Your Minecraft Enemies: How to Build a TNT Cannon

Have you always wondered how to make a customizable and efficient TNT cannon in Minecraft? Are you looking to raid some bases on a PVP/factions/griefing server, but don't know where to start? Well, this tutorial will go over how to make a TNT cannon, and the different ways you ...more

### Do Not Try This at Home : Exploding Hydrogen Bubbles

Here at WonderHowTo, we love science. And of course, explosions. So, naturally we find Gray Matter's demonstration of fiery hydrogen bubbles pretty awesome. But the most interesting part is the reason behind the demonstration. Did you know the same gas that heats your house c ...more

### How To : Make a balloon four leaf clover

Balloons are not just a way to entertain kids. Watch this video to learn how to use balloons to mimic complex real life objects. In this video the presenter makes a four lead clouds using only balloons. The presenter first uses a balloon that is partially filled with air and ...more

### News : Three Days Without You Activity

Three Days without You Poem Description: This is a sequence poem that will help students transition from one setting and time into another. Pacing will also be another aspect to this poem. Comas will be used as pauses in the poem. Each setting will be divided into separate s ...more

### How To : Perform the anti-gravity ketchup magic trick

You're guaranteed to fool all of your friends with this fantastic magic trick! So grab some ketchup, but hold the fries and get ready to perform along with Ryan Oakes. You will need a bottle of water, a ketchup pocket, and a glass of water. Sometimes we use materials that requ ...more

### How To : Levitate bubbles using dry ice

Another of my Halloween demonstrations. This simple but amazing video explains how everyday bubbles can float on a magic layer of air. It all has to do with density of air and some dry ice.

### How To : Build your own hovercraft

How a Hovercraft can be build.Brittany is demonstrating how to make a Hovercraft. Since hovercraft needs a base she is using plywood for it. She takes square plywood of 48*48 and finds out its center to cut plywood in circle. Don’t forget to wear safety goggle while cutting th ...more

### How To : Magically levitate in the air with a box and mirror

Wish you could fly like Superman? Now you can, with a little magic (or more appropriately, illusion). This magic trick lets you float horizontally in midair, and it's simple to perform. This video reveals the secret, which is as simple as a box and mirror. Check out the secon ...more

### How To : Conduct a magic floating boat science experiment

Check out this video tutorial to see how to conduct a magic floating boat science experiment. Two little mad scientists investigate Helium and Sulfer Hexafluoride. Rosie and Anna study Helium, a gas that is lighter than air, and Sulphur Hexafluorid (SF6), an inert gas that is ...more

### How To : Make a Paper Plane That Flies Far | World's Best Paper Airplanes

In this tutorial, I'm gonna show you how to make another amazing paper plane that can fly really far. GUARANTEED. Video: . Once you've made all of your folds and the plane looks symmetrical, it's time to trim it, or adjust it, for flight. This is very important, unless you wan ...more

### How To : Make a Nakamura Lock Paper Plane | BEST Paper Plane in the World

Here you're going to learn how to make the the Nakamura Lock paper airplane which is is named after its creator, Eiji Nakamura, an incredible Origami artist. This plane flies exceptionally well which I'm sure has to do with its great forward leaning center of gravity. It also ...more

### News : Super Robot Has Powers of Levitation

This robot hasn't levitated any humans yet (especially not pictured Days of Our Lives star Deidre Hall), but it looks like the sky may be the limit with the Robo-Air Jet System. Developed by Aaron Becker and Robert Sandheinrich at the University of Illinois, Urbana, the Robo- ...more

### News : From Immersive Comics to Interactive Music, Here's What You Can Expect to Do with Magic Leap One

The year is 2018. You just received your own Magic Leap One: Creator Edition. What now? Rewinding back to today, we know of one specific app that will be available for Magic Leap's device, along with two others that could be tagged as highly likely. Paired with Magic Leap's o ...more

### News : Airlines' Reliance on Group Boarding Could Spread Pandemics

On the airplane, in the middle of cold and flu season, your seatmate is spewing, despite the clutch of tissues in their lap. Your proximity to an infectious person probably leaves you daydreaming (or is it a nightmare?) of pandemics and estimating how likely it is that this se ...more

### How To : Light Up the Night Sky with Your Own Burning 'Cincinnati Fire Kite' That Flies by Itself

Not many people fly kites anymore. Most of us don't have the patience or attention span because, let's face it, we're used to smartphones and other gadgets that have games and apps galore to entertain us. Heck, you can even fly a kite on them if you really want. Though, there ...more

### How To : Tell if Your 'Expired' Eggs Are Still Good to Eat

A lot of people rely on the date on the packaging to tell them when food has gone bad, even with eggs, but the "sell by" dates are often rather arbitrary, and do not correlate to expiration dates. If you've been tossing away your eggs based on the dates on your carton—you're w ...more

### How To : 21 Super Mario Run Tips & Tricks That'll Help You Play Like a Boss

Super Mario Run has been one of the most insidiously addicting iOS games to come out in recent years for iPhone. And now, as of March 22, Android users can get in on the fun, too. You can install Super Mario Run from either the iOS App Store (requires iOS 8 or higher) or Goog ...more

### Market Reality : Fastdata.io, Ultrahaptics Secure Funding for Contributions to AR

This week in Market Reality, we see two companies capitalizing on technologies that contribute to augmented reality platforms. In addition, industry mainstays Vuzix and DAQRI have business news of their own to report. Fastdata.io Raises \$1.5 Million A group of investors head ...more

### HoloLens 101 : Building a Dynamic User Interface, Part 3 (Focus & Materials)

We started with our system manager in the previous lesson in our series on building dynamic user interfaces, but to get there, aside from the actual transform, rotation, and scaling objects, we need to make objects out of code in multiple ways, establish delegates and events, ...more

### How To : Make This Amazing 9-Layer Density Tower from Things Found in Your Kitchen

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

### How To : 10 Hacks for Your Next Epic Road Trip

A long summer road trip brings opportunity for adventure, but also increases the chances for minor disasters including backseats that smell like stale French fries, getting lost in unfamiliar roads, and getting unexpectedly carsick. Minimize messiness in your car by turning y ...more

### How To : 9 Poppin' Uses for Bubble Wrap

If you're like me, you have a secret dream of living in a house completely covered wall-to-wall and carpet-to-carpet in bubble wrap. Until you have enough of that pliable transparent plastic with air-filled bubbles, there are some truly practical things you can do with the lit ...more

### News : How Skype Video Chatting Works on the HoloLens

When you wear a holographic computer on your face, you gain some things and lose others. That's certainly the case when using Skype in Microsoft's HoloLens. Some video chats will work better because your caller can see what you see, rather than your face—but others just feel w ...more

### News : Neutrophil Fast Squad Are First Responders to Bacterial Lung Invaders

The body's usual response to a bacterial infection in the blood — called sepsis — takes time. It requires a carefully orchestrated sequence of events that gets the body's immune system ramped up to deal with the invading bacteria. A type of white blood cells called macrophage ...more

### News : This Dev's Awesome Kinect + HoloLens Hack Lets Him Control a Hologram's Entire Virtual Body

It's no surprise that the Microsoft Kinect can provide far better motion tracking than the HoloLens currently can on its own, but at least one developer didn't want to wait for the company's own eventual implementation. Kyle G, founder and CEO of Wavelength Studios, projected ...more

### How To : Simulate air flow over an object in After Effects

In this video tutorial, Creative Cow Leader Aharon Rabinowitz shows you how to simulate airflow over an object by using the After Effects CS3 puppet tools with a particle system. Simulate air flow over an object in After Effects. Click through to watch this video on creativeco ...more

### How To : Control Your Microsoft Hololens with These Cortana Voice Controls

When Microsoft release an update to the HoloLens Development Edition at the end of May, there were a bunch of cool new features added in. Among them: New voice controls that make working in the HoloLens operating system much easier. There are tons of new ways to interact with ...more

### How To : Create Beautiful Houses in Minecraft, Part 2

Part 2 Welcome back! In my last post I talked about the exterior aspects and techniques of building a great looking house, and now we shall focus on the interiors. Interiors There are a few important prerequisites to look at before starting the interiors of a house: The ge ...more

### Elementary Sputnik Satellites : How to Make Trash Bag Hot Air Balloons

Sputnik was the very first man-made object to be sent into space. Though it was a truly epic accomplishment, all this Soviet sky surfer actually did was transmit a constant beeping noise back to the surface. Your young students can learn about the history of space travel whil ...more

### HoloLens Dev 101 : How to Use Holographic Remoting to Improve Development Productivity

Way back, life on the range was tough and unforgiving for a HoloLens developer. Air-tap training was cutting edge and actions to move holograms not called "TapToPlace" were exotic and greeted with skepticism. The year was 2016, and developers had to deploy to their devices to ...more

### How To : How Hard Is It to Land on the Moon? New Space Game Gravitates Towards Space Physics

If you're like me, you were disappointed when NASA cut their human space flight program. No longer could children and adults in dead-end jobs dream of someday walking on the surface of the Moon or drinking floating globules of water through a straw. Homo sapiens as a species a ...more

### Prime Directive : How NASA's Planetary Protection Officer Keeps Our Germs from Contaminating Other Planets (& Vice Versa)

On July 20, 1969, humans set foot on the moon for the first time. But some say our microbes beat us there. With the Space Age came new questions about microscopic invaders from outer space and concern about where we are leaving our microbial footprints. The questions are even ...more

### How To : Build an Emergency Rucksack with a Poncho & Rope (The Horseshoe Pack)

There’s a good chance that you’ll be alone in life one day, and no... I’m not talking about a couch-bound, dateless loser with a pocket pussy and a bag of potato chips. I’m talking about alone. In the wilderness. Hungry. Cold. Lost. You can’t stay in one place too long, so it ...more

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