Constant Bedtime Search Results

How To: Use a CPR Ezy in case of a heart attack

The aim of CPR is to preserve life by maintaining an adequate supply of oxygen to the heart and brain. Effective CPR prolongs a person's chance of survival until either a defibrillator arrives and can be used to shock the heart back into its normal rhythm or advanced professional life support is available. This how-to video shows you how to use a portable CPR Ezy when someone you know is suffering from a heart attack. This medical device helps you perform CPR on a victim in a constant rhythm.

News: World's Simplest Electric Train

The trick in the video is that the magnets are made of a conducting material and they connect the battery terminals to the copper wire, so the battery, magnets and copper wire make a circuit that generates a magnet field just in the vicinity of the battery. The geometry means the two magnets are automatically at the ends of the generated magnetic field, where the field is divergent, so a force is exerted on the magnets.

How To: This DIY Pneumatic "Mauler" Fires 300 Ping Pong Balls Per Minute

Here's an awesome weekend project that could leave you with a fearsome "Ping Pong Ball Mauler" capable of firing hundreds of balls a minute at your unsuspecting neighbors. Christian Reed built it out of a poly drum and a homemade pneumatic device. He turned a standard shop vacuum into a high volume, low pressure system that allows his contraption to continually fire a constant stream of ping pong balls at a rate of hundreds of balls a minute. Best of all, all of the parts he used can be bough...

How To: Get better battery life on DROID smartphones

Battery life is a constant problem with cell phones today, and the Droid smartphones running Android software are no exception. If you want to learn how to get the most out of your Droid battery, then check out this helpful video that provides 8 tips on cutting battery-eating apps and features. If you want more battery life and are willing to sacrifice the cool features of the Droid cell phones, then you have to do these things. Don't let you Droid battery get drained!

How To: Insulate garage doors with foam board insulation for a warmer winter

When it comes to winter weather, the garage should not be neglected, especially if you have a room directly above it. Neglecting to properly insulate and seal your garage doors will create a constant rush of cold air inside, making the garage really cold, in turn making the floor upstairs really cold. This will drive up your gas or electric bill in no time during the winter months. But you can fight higher heating costs with some DIY ingenuity, and Dave Mars will show you how!

How To: Use micro-misters for drip irrigation systems

Micro misters allow for low volume of water over a wide area. They give good moisture coverage. Systems can be pulled up, changed and made into what you need it to be. Keep potted plants separate from other plants. They should have their own system. There is a system to encourage growth of root systems of various plants. Shrubs get two emitters in case one clogs up, the plant still has moisture. Having the water at the base of the plant limits weed growth. There is a temporary system to get t...

How To: Shoot a stop-motion animated film

This video will show you how to make a stop motion film using an editing program called Windows Movie Maker. Find a place to film your stop motion movie. Preferably a well lit area where the light source is constant. Set your camera on a tripod and position at the angle you prefer. Place the object you want to use in your film outside of the camera's view, and take a picture. Move your object slightly into the camera's view and take another picture. Repeat this many times, until your object i...

How To: Add an infrared effect to photos in Photoshop

This video tutorial is about adding an infrared effect to an image using Photoshop. First of all, open the image to which you wish to add the effect. After that, create a duplicate layer. Then go to the image option and click on it. A drop down menu appears. From that menu, click on adjustments and from that, select the option channel mixer. In the small window that appears, first tick the monochrome option. The idea of the channel mixer is that the total percentage of the colors must add up ...

How To: Tether the iPhone into a wireless router

One of the coolest feature of the 3G iPhone is the high speed, always on, Internet connection. Having a constant connection to the Internet is pretty much a must have for any dot com mogul. The main problem with the iPhone is the screen is too small to do any serious Web surfing. Yes, it’s great for Twitter or checking up on emails but blogging from it is an exercise in frustration. Fortunately, there is a way to extend that 3G connection onto your laptop by turning your iPhone into a wireles...

How To: Do pushups on your coffee table

Rick Pitts takes us through how to do a push up using a coffee table. First, he starts by doing a push up for shoulders and triceps. You do this by placing your hands slightly wider than shoulders with fingers pointing forward. Keep your elbows near body as you lower yourself towards the table.

How To: Land a Nitro RC plane

First of all you have to loose the altitude by taking a circle or two around in the air. On the final turn make a good straight approach to runaway and don't use too much ‘ailerons’ then. Just use the controls ‘rudder’, ‘elevator’ and ‘throttle’. Also watch for the cars or the traffic where you are going to land. Keep constant low ‘throttle’. You have to maintain good ‘idles speed’. You might want to adjust and remember the trim settings. After touch down, don’t pull on elevator. Just cut the...

How To: Find the antiderivative of a function

This video shows you how to find the antiderivative of a function. By definition, the F(x) is an antiderivative of f(x) means F’(x) = f(x). The small f is a derivative of the capital F, and the capital F is an antiderivative of the small f.

How To: Calculate variance and standard deviation using Excel

This video shows the method to find the variance and standard deviation using Excel. The variance shows the variability of the data points from the median. We find the difference of the median and the mean. We write the formula using '=' sign. The median and data points are put in it by selecting the appropriate cell. The median is made an absolute constant by pressing the F4 key. This is squared by using '^2'. This is multiplied to the frequency using '*'. The result is found for all the dat...

How To: Detect the symptoms of postpartum depression

It's not unusual to feel a little down after giving birth. You've been through a major life event, and your mind and body are recovering. Postpartum depression is more serious than the typical “baby blues” that can occur after childbirth. Learn how to identify this condition so you can treat it and spend more time enjoying your baby.

How To: Record Your Sleep Patterns with Samsung Health — No Wearables Needed

The quality and length of your sleep will almost always dictate how the rest of your day unfolds. Sleeping fewer hours increases your chances of spending the day in a tired and cranky state, while having a restful night's sleep contributes greatly to being alert and productive. Luckily, if you want to track your sleep patterns to figure out how you can improve your circadian rhythm, Samsung Health has you covered.

How To: Screen Time, App Limits & Downtime: How to Use iOS 12's New Parental Controls

Among iOS 11's many criticisms, one of the more surprising complaints came from parents worried that Apple wasn't doing enough to monitor and control their children's iPhone usage. Apple seems to have taken these issues to heart, as iOS 12 introduces new and improved parental controls to help encourage healthier mobile habits for kids.

How To: Demonstrate Newton's law of inertia

This short video clip shows seven demonstrations of Isaac Newton’s first law of motion– the law of inertia. Newton’s law of inertia states that objects moving at constant velocity will continue moving at constant velocity, unless acted upon by an outside unbalanced force. Six of these demonstrations (excluding number six) are from Tik Liem’s book Invitations to Science Inquiry.

How To: Permanently Disable the 'Software Update' Notification on Your Samsung Galaxy — No Root Needed

Updating your Galaxy to the latest software version is optional, but you wouldn't know that from the persistent notification and status bar icon that are constantly reminding you to. Thankfully, you're just an app away from hiding these eyesores without the need to update your phone.