Wobbles

One of my favorite simple projects is building two circle wobblers. I love how such a simple object amazes with its motion. The two circle wobbler is an object made out of two circles connected to each other in such a way that the center of mass of the object doesn't move up o ...more

This week's AON has lots of conjunctions—be sure to observe them! Here it is: The Garradd comet is still in the sky! Here's how to observe it! January 9th: full moon January 10th: Ganymede and Europa transits in North America January 13th: Venus-Moon conjunction January 14th: ...more

Astronomy World will be posting a weekly blog post that informs fellow observers upcoming interesting events in the sky. These will include: Moon phases—It can be fun observing different phases of the moon (how much of the moon is dark). It is also fun observing the dark side ...more

The comet Garradd is almost at its peak now, plus there's plenty more events going on this week, so be sure to observe! Until March: The Garradd comet has almost reached its absolute highest magnitude! This comet is bright and easy to follow, so be sure to check it out! Febr ...more

There isn't much going on this week, unless you like to observe the moons of Jupiter! January 27: Io transit January 28: Io and Ganymede occultations, Europa Transit January 29: Io transit January 30: Europa eclipse, Moon at apogee (404,324 kilometers), First quarter moon B ...more

Remember—winter is the perfect time to observe! There are a lot of events going on this week, so pull out that observing chair. Here they are: The Garradd comet is still in the sky and is approaching its peak. Here's how to observe it! January 17: The moon is at its perigee o ...more

This week's AON might be a little short, but finally, the Garradd comet's peak has come! I picked the Garradd comet to follow because it's a bright and easy-to-follow comet. Be sure to observe it! If you need help finding it, you can find more information here. Until March: T ...more

This week's AON may be a little short, but the ones to come will be packed full with information. I am really hoping for the skies to clear so I can observe soon! Through March 2012—The Garradd comet is getting brighter! It will peak in February. Here's how to observe it! Jan ...more

Again, there are tons of events this week, and as usual, most of them are caused by Jupiter's moons. But there is some happenings with Venus, too, so don't miss out. March 21: Io occultation March 22: Io and Ganymede transits, new Moon March 23: Io eclipse, Europa occultation ...more

This week's AON is pretty short, but there are also lots of clouds because it is winter. However, that just makes the few days of open sky way more valuable! Remember, the Geminid Meteor shower is going on until the 16th. Here is my article on the shower! Also, you can obser ...more

If the upper half of the agitator is not working, maybe it is loose and wobbles around, you may need to install this kit. This kit contains the agitator dogs and everything that you should need to rebuild the upper agitator. You can follow the steps in this video to help you d ...more

Grab your binoculars and telescopes, because there's a lot going on in the night skies this week. The usually dim Little Dipper will appear brighter as it moves to the right of Polaris, creating a cool effect with the Big Dipper. There's also a first-quarter moon and a really ...more

AON is moving to Wednesdays! There are lots of things going on this week in the skies above, so be sure to observe. As usual, there's a lot to see around Jupiter, with its moons eclipsing and transiting. Also, a star from the Virgo constellation will be in conjunction with our ...more

This week, there's a lot going on in the skies above, with at least one event per day! There's also an equinox, which only occurs about twice a year! March 14: NASA will be launching five rockets to study the jet stream on the east coast- if you live there be sure to look for ...more

The Garradd comet has just about reached its absolute peak! By the way, I took those pictures below of the moon through my iPhone using an adapter. Pretty cool, right? Until March: The Garradd Comet is at its absolute peak! Be sure to view it before it's gone! February 14: Io ...more

This year is a leap year, which means today is leap day! I will be explaining why this happens and some special conditions below in the AON. Plus, there is a new feature this week—elongation! Be sure to check it out below. February 29: It's leap day! February usually has 28 d ...more

There are a lot of events going on this week! As I mentioned last week, there will be new features from now on. Check them out in the info section below! Until March, 2012—The Garradd comet is becoming brighter in the sky. It peaks in Febuary! Be sure to observe it—here's how ...more

There's not much going on this week in the skies above, but there are a lot of conjunctions to take a peek at! And of course, there's the comet Garradd that's still showing its tail to us down here on Earth, so make sure to catch it before it's gone. The rest that's going on t ...more

There isn't much going on this week, but be sure to try viewing the Spica-moon conjunction. It will be hard to view with the full moon, but it will be spectacular if you can snag a peak. April 6: Spica-moon Conjunction, full moon April 7: Io transit; moon at perigee (358,313 ...more

If you are a pet owner, going on vacation can be stressful. Usually, you need a friend or neighbor to come over everyday and feed your pets. However, by enslaving robots you can keep your pet happy and enjoy a stress-free holiday. Today, we make an automatic pet feeder from c ...more

Smartphones have put an end to camcorders. If you want to capture memorable moments in high quality, look no further than that technological marvel in your pocket. Recent Galaxy phones are shining examples of how far we've come — but the more capable a camera gets, the more co ...more

While it's not usually the first thing everyone looks at after installing a new iOS software update, I'd give the new accessibility features on your iPhone priority attention because there are some highly valuable tools that even users without disabilities can enjoy. Of cours ...more

Sometimes, ceiling fans just don't cut it. They spin meekly, barely generating any air flow to cool down your sweltering room. Or, when turned up high, they can wobble wildly, shaking and vibrating as if the ceiling is about to come crashing down. If this sounds like your ceil ...more

The Microsoft Surface has been the go-to device for many professional artists since its initial release back in 2012. Since then, the Surface line has continued to offer customers a portable, high-powered machine that's a near perfect value for both casual and professional art ...more

Here at Food Hacks, we're very fond of finding ways to regrow food. That means taking things like carrot tops and leftover bits from garlic, onions, chives, and other herbs and aromatics to create mini reusable herb gardens. Don't Miss: Vegetables & Herbs You Can Eat Once & R ...more

As sure as death and taxes, sitting at a wobbly table at one time or another is inescapable. With your weight on it, the table shifts from one end to the other, lifting one leg in the air and then the other; a parade of seesaws, especially if you have someone sitting on the ot ...more

Squiche, also known as a sweet quiche, is the newest trend to hit the brunch table. For those who are not familiar with this delectable dessert, it's a close cousin to a custard tart, but less sweet and with the density of a savory quiche. It's also really simple to make—in wh ...more

First off, let me say this—using real steam power is dangerous, and heavy, and just generally not worth it when you have modern alternatives. Except, you know, if you're a Steampunk. Or this guy: Video: . The guy in the above video makes some awesome gadgets, which are unfortu ...more

It sounds like a dream come true: just press a button on your phone, and 30 seconds later, a machine produces a custom-made, ready-to-eat meal. Finally, science comes through for the truly lazy! Impossible, you say? Not according to Israeli inventors from White Innovation who ...more

You may remember this badass wall of flames photo... That's because last month I highlighted a tutorial by photographer Barry Elder that showed how to light paint with fire. This dangerous technique involves dipping a strap in petrol, attaching it to a rope, then lighting it ...more

For all iPhone users whom enjoy Apple's wide selection of titillating apps, bad news. All gone. Not only are the R-Rated apps gone, but so are the apps that may be merely PG-13. Via Tech Crunch, developer Jon Atherton, who is behind the popular application Wobble, posted this ...more

Materials 4 - 5" long bolts 4 matching nuts 8 heavy duty flat washers 4 to 6 - 2" taper head screws Longer bolts to mount the router base to a thicker surface. These must match the thread of the original bolts that came with the router. 1 hunk of wood - 1 1/2" thick x 4" wide ...more

It was only a few years ago when the idea of a 5+ inch display on a smartphone was unreal. With most hovering around four inches at the time, a phone that big seemed impossible to hold. We've come a long way since then, but it appears another wave of large displays will soon h ...more

Sony just announced a new phone in its Xperia line that is equipped with what is quite possibly the finest front-facing smartphone camera ever. Dubbed the Xperia XA Ultra, the handset features a 16 megapixel "selfie" shooter with optical image stabilization to give you crisp, ...more