Electrically Negative Search Results

News: This App Shows How HoloLens Can Make Healthcare Safer

If you've been to the doctor enough, you know that the medical staff can make a variety of mistakes from time to time. They're human and that's normal, but errors in the medical field can often have significant negative impacts. At Boston's 2016 HoloHacks event, a team of developers created HoloHealth to mitigate human error in common healthcare tasks.

How To: Stop a dog from pulling while walking on a leash

When a dog pulls on the leash, the first temptation would be to jerk back. Even if you win the power struggle, the negative reinforcement creates a bad association with you which should be avoided when training your pet dog. Dog trainer Eric Letendre shows how to do an easy technique that will stop a dog from pulling while walking on the leash.

News: TV Chefs Are Terrible at Handling Food Safely

The food TV chefs prepare make our mouths water. From one scrumptious creation to another, they fly through preparation without frustration or error. They make us think we can do the same with similar ease and delectable, picture-perfect results. Some of us have noticed, though, that these TV chefs don't always adhere to the same safe food handling guidelines we've been taught to follow.

How To: Change the oil on a riding lawn mower

It is very important to change the oil on your lawn mower just as important as changing the oil in your car. The oil liberates, cools and cleans the engine. It is best to check your manufacturers information to know how often to change the oil. To change the oil you will need the following: a wrench, gloves, a drop cloth, a socket wrench, oil container, a brush, a new oil filter, an oil filter wrench and fresh oil.

How To: Calculate NPV & IRR with a TI BAII Plus calculator

The video shows you how to calculate capital budgeting with a Texas Instruments BA2+ financial calculator. Capital budgeting will help you determine cash flows for given investments for a certain number of years in the future, thus helping you determine if the investment is worthwhile. The buttons you will use are the CF (cashflows) button, the NPV (net present value) button, and the IRR (internal rate of return) button. The video uses the example of a $10,000 investment that will return $5,0...

How To: Buy and win eBay auctions

Help yourself win that must-have item with these tips. You Will Need: a computer with internet access, money, & patience. Create an account. Browse the categories to familiarize yourself with the site, especially if you don’t have a specific item in mind. If you know what you want, start searching by using broad terms and synonyms to yield the most results. Add quotes around your search terms or qualifiers, such as a specific color or size, to narrow the field. You can also post on the “Want ...

How To: Train a dog to walk on a leash

Train your dog to walk politely at your side. Choke chains and other forms of negative reinforcement might make the dog associate being by your side as a bad thing, but positive reinforcement techniques will keep both the dog and pet owner happy. Watch this video pet training tutorial and learn how to teach a dog to walk on a leash.

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.

News: Google & LG Have OLED Issues? Samsung Wants You to Know They Don't

It's not rare to see an advertisement in tech directly call out the competition. Whether it's the famous Mac vs. PC ads from back in the day or the Pixel burning the iPhone 7's lack of a headphone jack, rivalries in these commercials are certainly commonplace. Samsung's new ad campaign takes a more subtle approach to this "throwdown" advertising, but the message is still clear — Samsung wants you to know its AMOLED displays are better than Google's and LG's POLED.

News: After Error 53 Disaster, Apple Is Making It Much Easier to Fix Touch ID

Replacing your iPhone fingerprint sensor has been one of Apple's most cruel tortures. It's a slow and painful process made worse last year when Error 53 messages started appearing on the phones of users who had tried to repair their sensors outside of Apple. The error rendered the phones essentially useless. Since then, Apple has provided fixes but is now finally making it much easier to replace your iPhone fingerprint sensor with the releasing of "Horizon Machines" to official repair locations.

How To: Fix Delayed Notifications on Your Galaxy S8 or S8+

The Note 7 debacle taught Samsung an important lesson on cramming oversized batteries into their handsets, and they've applied it diligently to their Galaxy S8 and S8+. You might even say the company has gone a little too far in trying to achieve a balance between battery size and battery life, as it not only not only sets screen resolutions to 1080p by default and warns users about maxing out display brightness, but it also keeps close tabs on individual apps' battery usage.

How To: Unlock a Hidden Network Strength Meter for Your iPhone's Status Bar

The horizontal dotted icon in your iPhone's status bar serves as an indicator of your device's network strength. And while it does help provide an approximation of how strong your signal is, swapping it out to display an actual numeric value is a lot more precise and can change up the look of your iPhone (or at least the status bar). The process is quick, painless, and you don't even need to jailbreak your phone.