This experiment uses a ballistic pendulum to determine the launch velocity of a metal ball. This is compared to a measurement of the launch velocity found using projectile motion. You may wish to emphasize why energy is not conserved in the initial impact of the ball into the ballistic pendulum, but momentum is, and conversely why energy is conserved as the pendulum rises but momentum is not conserved.
Traditional root ad-blockers like AdAway and AdBlock Plus have no effect on YouTube anymore. Until now, if you wanted to get rid of the commercials that play before your favorite videos, there have only been two ways—either by paying for a YouTube Red subscription, or by using an Xposed module to modify the YouTube app itself and force it into not showing ads.
Checkra1n is by far the best way to jailbreak A7- through A11-powered iPhones on iOS 13 and later, but it's not without its downsides. Besides the lack of Windows support, the tool limits your choices to Cydia alone. With a little elbow grease, however, you can easily replace the app with Sileo for a more streamlined jailbreak experience.
Using the Mail app to log in and sync to email services such as Gmail and Outlook is incredibly easy to accomplish on the iPhone thanks to the intuitive nature of its operating system. This is still evident with iOS 11, and though the process differs slightly from its predecessors, it can still be accomplished with relative ease.
It couldn't be any easier to remove apps from your iPhone — simply do a long-press on the app's icon, then tap on the delete button once it pops up. However, when it comes to removing unwanted tweaks and apps from a jailbroken iPhone, the process is often a little more involved.
One of the more interesting power-related features for OnePlus phones is the ability to schedule a time to turn it, off then back on again. While OnePlus phones typically run blazingly fast, you can still benefit from the RAM clearing and process killing that a reboot provides. And since you can schedule this to happen overnight, you can wake up to a refreshed, restarted phone every morning.
Text conversations and group chats can sometimes devolve to random and nonsensical chatter that bombard you with annoying notifications. Naturally, this can get distracting and prevent you from focusing on more pressing matters. Fortunately, Samsung Messages has a feature built in to minimize distractions whenever conversations go out of hand.
One the main gripes against cutting-edge augmented reality headsets like the Magic Leap One and the HoloLens is the price — they're pretty expensive compared to most consumer devices. Well, now some of that pain has been relieved for those looking to pick up a Magic Leap One as the company has just announced a financing option that allows anyone with a spare $96/month to gradually pay their way into full ownership of the device.
It's nice that most apps ship with multi-language support, but if you only need to utilize one, those extra language packs are doing nothing more than taking up space on your computer. And when you're getting close to filling up your hard drive, every little bit counts.
While chatting in Hangouts on Android, inserting an emoji or animated sticker can instantly make the conversation more fun, but they'll eventually lose their charm, as most things do. Even if you add GIFs to your texting arsenal, things could get stale. That is, unless they're personalize GIFs you actually make yourself (the process is really simple).
We're a little citrus-obsessed, and with good reason: lemons, limes, oranges, grapefruit: Mother Nature really packed those babies with flavor, from peel (which you can zest without special tools) to juice. Now executive chef Amanda Freitag of Empire Diner has come up with a way to make those lemons and limes give up even more flavor by applying a lot of heat.
Quickly jotting down grocery lists, recommended books, phone numbers, and addresses, among other things, has been a pretty straightforward process on an iPad or iPhone. Through the Notes app, you can enter information and have it seamlessly synced across all of your iOS devices, making access to them simple, quick, and universal.
If you're into photography, you're probably no stranger to the myriad of ways you can take macros with your smartphone. Your phone's built-in camera may not take great pictures up close, but you can modify it to do so with anything from a magnifying glass to a drop of water. However, those types of DIY macro lenses can only get so close.
Using a phone that hasn't been updated is like playing NBA 2K10 in 2013. Everything works fine, but you're missing all those new features and current rosters.
With just sticks, some magnets, and a bit of Sugru, you too can be the proud owner of an awesome set of magnetic construction toys! The idea is very straightforward. Simply bond magnets onto the tips of thin sticks using Sugru, but the results look like a whole lot of fun.
The Asana mobile app lets you manage your projects with the same functionality as the website. Most features are pretty straightforward, thanks to Asana keeping the same design cues from the web app. However, one element is very easy to miss: adding subtasks.
Removing unwanted apps from your iPhone is a straightforward affair — long-press an app's icon, then hit the delete button once it appears. Unfortunately, the same can't be said when it comes to uninstalling tweaks from a jailbroken iPhone.
From a quick, passing glance at a photograph, you may not notice that Jon Almeda's impressive displays of ceramics mastery are actually the size of coins. It's well-documented how much tiny art is loved by WonderHowTo, but this petite pottery may take the cake as the most impressive display of craftsmanship.
Enabled from the moment you first booted up your device, there's a feature deep in the iPhone's settings that automatically backs up your device in the background. As long as you're connected to Wi-Fi and a power source and your screen is locked, your photos, text messages, apps, and everything in-between gets safely stored to your iCloud account.
Restoring data is not always the easiest thing to do when you flash a new ROM on Android. Google can back up your contacts and Wi-Fi passwords, and various tools can back up your apps and data, but the rest is usually lost in-between ROM flashes. This leads to a lot of wasted time getting everything back into place, and it'll take a long time before your new ROM feels like "home" again.
While it might be more common to chat with friends on apps like Twitter, Messenger, or WhatsApp, direct messages on Instagram are becoming more and more sophisticated. Case in point, the app is rolling out a new feature to users that shows a "green dot" next to friends who are online. Luckily, you don't have to let your followers know when you're browsing photos if you don't want to.
When Google added new security measures to Android Marshmallow, it had a lasting impact on the entire process of rooting. These measures prevent the the Superuser daemon (the process that handles requests for root access) from getting the permissions it needs to do its job at boot. In order to get around these issues, Chainfire created the systemless root method.
Amazon's Fire TV set-top box has been out for over a month now, and the hacks are starting to come together. Sure you can play your Amazon Instant Video, Hulu, and Netflix content without any issue, but what about your personal media, like movies and music?
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.
The LG KP500 is an impressive mobile phone--but what good are all its bells and whistles if you can't inject a little of your own personality? For anyone looking to modify the theme on this cellular device, check out this straightforward video tutorial. After you've got the process down, go ahead and customize your rig like crazy.
The iPhone's home screen gets its signature aesthetic from a grid of icons that seamlessly blend in to almost any background. It's a somewhat minimalistic look, but that's interrupted by cluttery text labels for apps and folders. Fortunately, there's a way to remove these labels, but you'll have to be jailbroken to pull it off.
Wearables startup North has made a smart move to get its Focals smartglasses into the hands of more consumers.
There are a number of reasons you'd want to delete your Skype account. You may have decided to move away from the app in favor of another service like WhatsApp or FaceTime, or perhaps you want to erase your account due to an online hack. Regardless of why you might want to delete your Skype account, doing so isn't quite as straightforward as it appears.
Watch this science video tutorial from Nurd Rage on how to make a chemiluminescent reaction with home chemicals. Make a chemiluminescent singlet oxygen red light pulse from two simple chemicals almost anyone can buy: pool chlorine and hydrogen peroxide.
How to conjugate in the subjunctive in Spanish for the present tense.
With Safestrap bringing custom recovery functionality to the AT&T and Verizon Wireless variants of the Samsung Galaxy S5, it's high time we covered this process for all other versions of the GS5.
AHHHHH!!! The Red Ring of Death! Fortunately there's a solution. This straightforward and incredibly helpful how to video will breathe some life into your XBox 360.
This video shows you a straightforward way for Windows users to transfer music from an iPod to your hard drive, without extra software:
The biceps tendon attaches the biceps muscle to the radius. Learn how to diagnose and treat a biceps tendon tear in this medical how-to video. Usually the area is painful, swollen and bruised.
Cabinets are usually the most prominent feature of a kitchen and greatly determine the room's overall décor. Peeling paint, nicks and scratches, or a dull, dirty finish can plague older cabinets and really sap the pizzazz out of the living space. On the other hand, a fresh coat of paint can do wonders for cabinets and breathe new life into the kitchen. A repainting project can also save tons of money when compared to full cabinet replacement, which can easily total several thousands of dollar...
In these great, in depth videos, you'll learn how to process and finalize your RAW files in Nikon's picture capture program: Capture NX2. Over 40 minutes worth of material ranging from how to set up the process all the way down to the actually finalization. Definitely worth a watch for any camera nut!
If you use Photoshop for work or regularly for fun, there are repetitive tasks that have probably made you want to throw your fancy monitor out the window to vent your boredom. Fortunately, there's help. This video will teach you how to create actions for batch processing in Photoshop CS4, allowing you to automate processes that you repeat regularly and saving you time and the money you would have spent on a new monitor.
Quinn shows the entire 19th Century wet plate Collodion process step by step, including a brief history of the process. He talks about taking wet plate "on the road" (mobile photography). Learn how to take pictures using the Collodian method by watching this video photography tutorial.
Check out this video to learn how to make a professional epoxy fiberglass layup and epoxy laminating systems. This process is ideal for working on larger projects, a typical 'fiberglass layup' is a popular process for those who need a large, strong, and lightweight tool.This process can be used in automotive, mechanical, fine art and film special effects uses.
One of the best parts of Pandora is its personalized stations that auto-generate songs within the specific style or genre you've chosen. Not only does this play your favorite tracks with regularity, but it also opens your ears to previously unknown songs or artists — ones you may fall in love with and want to share with others.
