Presence Test Search Results

How To: Graph the slope of a line through two points

If you want to learn how to get and graph the slope of a line using two points, you should watch this. 1. Let your two points be (x1 , y1) and (x2 , y2). Draw a straight line that connects the two points. 2. Use the formula, m = change in y over change in x , for finding the slope which is represented by the variable m. 3. The simpler form of the formula would be m = (y1 - y2) / (x1 - x2). 4. If you were given two points, just substitute the values in the given formula. 5. For example, the tw...

How To: Use the SD-8A battery pack for the Nikon SB-800

This video demonstrates how to use a Nikon SD-80 Battery Pack with a Nikon SB-800 Speedlight. The first step is to identify the different power adaptors on the ends of the cable leading to the battery pack. This pack is powered with AA batteries. Remove the outlet plate on the SD-80 and insert the power cable into the SB-800 Speedlight. Then attach the communication cord to the Speedlight. Now place the Speedlight in the hotshoe of the Nikon camera and let the battery pack dangle or attach it...

How To: Rock a strapless dress

The hottest outfits you could rock at a party or gala is a strapless dress. In order to keep that strapless dress up, you probably need a bit of cleavage, but what else can be done to make sure it looks right and works? The key to looking sexy in a strapless frock? A flawless fit.

How To: Check the OBD-2 data link in a Saturn S-Series car

One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple maintenance on your automobile, but you may need a few tools. Invest in the basic tools and you'll be prepared for just about any car malfunction you can think of. These tutorials will help get you on your way, as long ...

How To: Use pipetting techniques in the lab

The Department of Biological Sciences at the University of Alberta brings you this video tutorial specifically relevant to your student laboratory courses, specifically microbiology. If you're a student at any school of biology, this information will be helpful for learning how to use pipetting techniques in the lab.

How To: Maintain your RV furnace

Watch this quick RV tutorial video to find out how to maintain or repair your furnace. All of the items shown are simple steps you can do yourself. Some motor homes have two furnaces and some have one. They should be located on one of the sides of the unit. In the shape of a medium sized rectangle. This compartment will also have a grill and it does stay hot. In order to open it up, remove the screws, remove the first door, and then there will be another one that just comes down as well. Then...

How To: Saber Fence

Sword fighting, or saber fencing, is a recreational sport that tests quick action and solid defense. Learn more about saber fencing from our fencing expert in this free video series.

How To: String lights on a Christmas tree

In this how to video series, learn how to string Christmas lights on a Christmas tree from expert Matt Cail. Matt will show you how to test Christmas tree lights, how close to an outlet to put a Christmas tree, how to untangle Christmas tree lights, where to start stringing Christmas lights on a tree, how to weave lights into a Christmas tree.

News: How Does the Samsung Galaxy S22 Ultra's Battery Life Compare to the iPhone 13 Pro Max's?

With the new Samsung Galaxy S22 Ultra release, the first thing you may be wondering is how its battery life compares to the iPhone 13 Pro Max, Apple's biggest model from 2021. We've rounded up some of the most popular Galaxy S22 Ultra and iPhone 13 Pro Max battery tests from across the internet to bring you answers.

How To: See Your iPhone's Actual Signal Strength for Cellular Reception

The signal bars in your iPhone's status bar are great visual indicators for knowing how good your cellular reception is, but they're not very accurate. Instead of showing the actual amount of signal you're receiving, they just give you a general range, and you'll have no idea if three out of four bars is actually a good connection or not. But there is a trick to see the real numbers.

How To: Learn How to Play the Market with This Data-Driven Trading Bundle

If you're reading this, you're likely a tech-savvy coding pro whose analytical talents are mostly applied to designing apps, cracking passwords, and infiltrating networks — all of which are admirable activities for both aspiring and seasoned white hat hackers. But there are other profitable ways that you can put these types of skills to use, namely in the world of investment and trading.

How To: Disable Your Mic & Camera Automatically When Joining Zoom Meetings to Slip into Chats Quietly

By default, as soon as you join a meeting on Zoom, both your microphone and camera turn on, sharing your audio and video to the other chat participants. While that isn't usually a problem, it can be an issue if the meeting hasn't started or you're entering in the middle of a class, and you don't want to disturb the video conference.

How To: Steal Your Friends' Cool Instagram Stories Effects

When watching stories in your Instagram feed, there's a high probability that you'll come across an AR filter that you'll want to try out for yourself. A quick browse and search in the Effect Gallery will bring up nothing in most cases. But all of that unproductive work isn't necessary because there's a faster and simpler way to get the AR effect in Instagram Stories, and it works all of the time.

How To: Create Your Own Augmented Reality Filter for Instagram Stories Using Spark AR on Mac or Windows

There's a new trend on Instagram Stories: People are making viral AR filters where images of popular characters from TV shows, movies, and other mediums shuffle above your head until one sticks. The filters range from Disney and Pokémon characters to Harry Potter and Friends, but you're not limited to just that because you can create your own "which are you?" filter.

How To: Securely Sniff Wi-Fi Packets with Sniffglue

Sniffing packets over a network is an easy way for hackers to gather information on a target without needing to do much work. But doing so can be risky if sniffing packets on an untrusted network because a payload within the packets being captured could be executed on your system. To prevent that, Sniffglue sandboxes packet sniffing to provide an extra layer of security.

How To: Stop Your Camera from Shooting Video Outside the Frame on the iPhone 11, 11 Pro, or 11 Pro Max

The biggest change this year for iPhones comes with the cameras. All three iPhones get a new ultra-wide camera, which allows the device to capture more of what's in front of you. Not so new this year is the 64 GB base storage, which will fill up fast when shooting in 4K at 60 fps. A new feature will also add to your storage concerns, however, a feature that captures more video than it really should.