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How To: Cut down a tree

In this how-to video clip instructional series, our expert demonstrates how to fell a tree using either a chainsaw or a rope or both. He informs us about the correct tools to use to cut down a tree and about the safety equipment one needs to fell trees. He also explains the process of cutting down a tree, including planning the felling, planning escape routes, wedging, cutting notches in the tree trunk, using a felling wedge, felling a tree with a rope and a truck cutting down a tree with a c...

How To: Race mountain bikes

Our mountain biking expert discusses the correct way to get over, around and through any obstacles you may encounter on your adventures. He also demonstrates proper weight distribution and riding techniques, and discusses modulation and braking theory. If these topics sound sophisticated, that's because they are, a veritable master's class in mountain biking physics. So get your degree today!

How To: Build a Laser Trip Wire Alarm System

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The triggers for this boundary could be as simple as a pressure sensor, or as complicated as a laser network. They all do the same thing, but some work better than others.

How To: Throw a cheap block party for the neighborhood

Throwing a block party is a great way to meet your neighbours! Block parties are perfect for hot summer nights when no one wants to be stuck indoors. These parties are fun and easy to throw, even on a budget. Check out this video for information on how to throw a rockin' party for your neighborhood without spending much money.

How To: Stage a water balloon fight

One sure fire way to add excitement to a summer day when you think it's just too scorching to go outside is by having a water balloon fight. This is a great way to stave off boredom and you'll be sure to feel like a kid again while getting some fun exercise.

How To: 13 Protective Cases That'll Safeguard Your New iPhone 12 or 12 Pro & Still Make It Look Cool

Apple announced four different iPhone models during its Oct. 13 web-only event, but only two of them can be purchased this month: the iPhone 12 and iPhone 12 Pro. Preorders have already started for the two smartphones, and you could have one in your hands as early as Oct. 23, if you're lucky. To help keep your shiny new iPhone protected from scratches and cracks, try one of these cases.

How To: Change a Phone's Coordinates by Spoofing Wi-Fi Geolocation Hotspots

In many urban areas, GPS doesn't work well. Buildings reflect GPS signals on themselves to create a confusing mess for phones to sort out. As a result, most modern devices determine their location using a blend of techniques, including nearby Wi-Fi networks. By using SkyLift to create fake networks known to be in other areas, we can manipulate where a device thinks it is with an ESP8266 microcontroller.

News: Apple Releases iOS 13.4 Developer Beta 3 for iPhone, Introduces First Evidence of Internet-Based 'OS Recovery' Mode

So far, iOS 13.4 hasn't been a disappointment. From new Memoji stickers, a refreshed Mail toolbar, and even the beginnings of controlling your car with your iPhone, Apple's latest iOS update is looking like a good one. That's why we're excited that Apple just released the third 13.4 developer beta today, one week after the release of the second one.

News: Our Writers & Editors Pick Their Favorite Phones of 2019

One of my favorite perks of this job is the opportunity to try out all the big flagship phones each year. Whether it's rating their suitability for a particular use-case or just entering their specs into our comparison tool, we have to get our hands on all major phones released in the US. We pride ourselves on being fair in our reviews and roundups, but that doesn't mean we don't have preferences.

Dev Report: Some Light Shed on Magic Leap's Persistent Object Locations Solution but Many Mysteries Remain

With the reveal of Magic Leap's developer documentation last week, many questions have been answered—and several new ones have been raised as well. But since the Magic Leap One (ML1) isn't simply called the "Leap One," these are questions that the company probably has no interest (at least for now) in answering. Understandably, Magic Leap wants to keep some of the "magic" under wraps.

How To: Get Free Hearthstone Packs by Playing on Mobile

Hearthstone, Blizzard's online card game, combines strategy with a fun spin on the World of Warcraft lore to create a unique experience. With the latest expansion (The Witchwood) on the horizon, you'll want to make sure your collection is ready for when the set drops in April. Fortunately, you can get free packs on iPhone or Android to help prepare.

News: The Best Cyber Monday 2017 Deals on Android Games for Your Smartphone

If you're like me, you probably have a wishlist of Android games you'd love to buy, except the high price tags keep you away. A few bucks can feel like a fortune in the Google Play Store — you just can't bring yourself to pay that much. Well, lucky for you, Google Play has some serious discounts this Cyber Monday. There won't be a better time to buy these games, until next year, of course.

Apple AR: Virtual Drone Is All the Fun of a Real Drone Without the Expense

Drones are a fairly new craze to hit the nation. While they are accessible to the general population, good drones still typically cost a ton of money and despite all the fun they are, it's sometimes not worth it to actually buy one. If you're one of those people who would love to play around with drones — but don't want to have to buy one — Arcane Reality is developing the app for you thanks to Apple's ARKit.

News: How Gut Bacteria Could Set Off the Immune System in Rheumatoid Arthritis

As if the swollen, painful joints of rheumatoid arthritis weren't enough, the disease is the result of our immune system turning against cells of our own body. Ever since this realization, scientists have worked to find the trigger that sets the immune system off. Scientists believe that gut bacteria may have a role in initiating the abnormal immune response. Now, a team of researchers from Boston has figured out how that might occur.