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How To: Make a Hairspray-Fueled PVC Rocket Cannon

This week, I've been working on a project that sort of takes a spin off an old-style potato gun. Using PVC pipe and the rapid combustion of hairspray, we can launch a rocket hundreds of feet into the sky. As usual for my projects, I tried to use only materials and parts that are commonly available. I even give two different forms of ignition, in case one method ends up being hard to come by. The following video will explain the project further: The launcher can be reloaded and fired repeatedl...

How To: Recover WinRAR and Zip Passwords

Archiving and compression is a great way to store and prepare files for sending. You can reduce the size of a file, turn a group of files into a single file, and even encrypt and password the contents! Just take a look at this image to see how much it compressed a 28GB text file.

News: Google+ to Support Pseudonyms, Google Apps & More

Since its inception, Google+ users have been a loud, vocal bunch, and they've made their displeasure known about many issues, especially on the lack of support for pseudonyms, Google Apps, and brand pages. It's been especially galling for many Google loyalists, who found their Google+ profiles suspended, when they ended up violating the Google+ "common name" policy.

News: PopCap Bought by EA, Earns $750 Million Bonus Points

Electronic Arts is the biggest game publisher in the world, and have been for years. And yet, their only successful internally developed games nowadays are the EA Sports mega-franchises like Madden. Most of their success has stemmed from their ability to buy other companies on their way up, squeeze the creativity out of them, and then sell them to someone else or just let them go. This week they made their largest acquisition ever when they purchased PopCap Games for $750 million upfront—as m...

News: The Top 32 Authors to Follow on Google+

Google+ isn't filled with just Google workers and tech-obsessed nerds. Many creative people are part of the community, and they're using Google+ to connect with their fans. Authors, especially, love talking to people about their work. We've rounded up the best published authors for you to follow on Google+. We've listed their best known works so that you can get an idea of the topics they write about.

News: To Explore New Worlds...

One of the things I enjoy the most about making tutorial videos is watching the reactions. In YouTube's backoffice, they give me great tools like Insight, Demographics, Discovery and Hot Spots. I can tell when people's attention drops off when watching. I can see what age groups and gender my audience is made up of. And... I can see where most people came from to get to see my videos.

News: Revolutionary "Light Field Camera" Lets You Focus After the Picture Is Taken

Focusing has always been a problem with photographers, and even with today's digital cameras it's not easy. The most obvious problem is trying to accurately focus on the subject before exposure. Next, you have to choose the correct aperture size in relation to the depth of field, and make sure you're using the correct exposure. Then there's lens aberrations, where a certain ray of light does not converge to a single focal point in the desired image, resulting in some light leaking away from t...

News: Indestructible iPhone 4 Case Inspired by Shark Eyes

It's not uncommon for nature to inspire technology and innovative products. Airplanes were inspired by birds, Velcro by burrs and dog fur, bullet trains by owls and kingfishers, and gecko tape by... well, you can probably figure that one out. And one of the deadliest fish ever to swim the oceans has also influenced its share of merchandise; Sharks made humans faster in the water with Fastswim Suits, and now they've helped make one of the most rugged smartphone cases in the world—SharkEye's Ru...

News: Google Music Now Live in Beta Mode

At Google I/O this morning, Google finally announced the launch of its much awaited Google Music service. It's currently in invite-only beta mode, but they claim it will open up to the masses soon enough. To start syncing your music library with Google's Cloud now, you need make sure you're signed into your Google Account, then click here for a personal invite. It's currently free for a limited, undisclosed amount time.

News: Time-Saving Tricks for Working Smarter and Faster in 3ds Max 8

You may be familiar with the general layout of 3ds Max 8's user interface, but a few of version 8's interface features aren't readily apparent to new users. They are, however, critical if you want to navigate quickly in 3D space. The goal of this chapter isn't to show you the nuts and bolts of the interface, but rather to introduce you to a few of these fundamental features that will enhance your productivity.

News: Control a Video Game by Swapping Spit

Once there was Spin the Bottle. Then there was the embarrassing adult version of Spin the Bottle—on Wii. And then there was artist Hye Yeon Nam, who decided to skip all pretenses and go straight for the spit-swapping, no foreplay necessary. Hye Yeon Nam devised a method for controlling a bowling video game by French kissing. It works like this: "One person has a magnet on his/her tongue and the other person wears the headset. While they kiss, the person who has the magnet on his/her tongue, c...

News: Arabian Camels Tortured By Remote Control Robot Jockeys

In the wealthy oil man's world of Arabian camel racing, the tradition of using child jockeys has been replaced with the use of small robo-jockeys in recent years. But after finally ridding the game of the mistreatment of children, the sport is now under scrutiny again. The Dubai police have discovered a new feature illegally added to the torturous, whip-endowed robots: hidden stun guns.

News: ASTON 2-(SUPERB SHELL REPLACEMENT)

"ASTON-2"-WINDOWS SHELL REPLACEMENT USER INTERFACE, I HAVE BEEN USING IT NOW FOR A WEEK OR SO AND I FIND IT NOT ONLY FASTER, YET MORE INTUITIVE, AND MORE FEATURE RICH THAN WINDOWS EXPLORER.EXE EVER THOUGHT OF BEING...! IT DOES HAVE IT'S LITTLE QUIRKS OR EVEN BUGS HOWEVER...LIKE EARLIER TODAY THE TASK-BAR FOR ASTON-2 WOULD NOT RAISE UP OUT OF AUTOHIDE FOR ANYTHING, I REBOOTED THEN IT WAS FINE AGAIN, THIS COULD BE A WEB BASED BUG THAT INTERFERED, OR LOCAL BAD CODE WITHIN ASTON-2 BUT I DOUBT IT,...

News: Is your dog healthy enough for Travel

Be honest about your pet's ability to travel. If your pet is very young or old, or is ill, pregnant, or recovering from surgery, it may be better for all concerned to look into a pet sitter or kennel rather than take a chance on injuring your pet by taking it with you. If you are in doubt, ask your veterinarian. If your pet has not traveled before, try a short overnight or weekend trip first.

How To: Reply to Texts on Your AirPods Without Siri Reading Out Your Messages

Your iPhone's "Announce Messages with Siri" feature is pure Apple. If you have a pair of connected AirPods (2nd generation or newer), Siri can read your messages to you as they come in, and you can say "Reply" to send one back. However, that natural flow is disrupted once Siri reads back your drafted text — but you can disable it to make the process smooth all the way through.

How To: The Hidden Gesture for Switching Between Apps on Home Button iPhones

I love my iPhone 8 Plus, but the allure of modern iPhone gestures is sometimes more tempting than I care to admit. I imagine many of you with a home button iPhone feel the same. What if I told you, however, that your iPhone is capable of iPhone X-like gestures? In fact, you can use a gesture to switch between apps. Welcome to the future.

How To: The Hidden Action That Opens Apple Pay from Your iPhone's Lock Screen

I think everyone with an iPhone should be making every purchase they can with Apple Pay. I also think everyone who uses Apple Pay should open the Wallet app ahead of time, instead of simply tapping their iPhone to the card reader. But there's a much faster way to open Wallet than slogging through the sea of apps on your iPhone. You can open it right from the lock screen.

How To: There's Finally a Way to Disable Those Annoying Memoji Stickers in Messages on iPhone

There's a lot to love about iOS 13. Permanent Memoji stickers though? Not so much. Whether you love or hate these personalized icons, most of us can probably agree it's super annoying Apple doesn't let you disable them in the "Frequently Used" section of the Emoji keyboard. Every time you go to use an emoji, you have to see the stickers, whether you want to or not. That is, until now.