Cells Earning Search Results

How To: Make an SMS Intruder Alarm

This tutorial shows you how to create an intruder alarm that sends you text message alerts when motion is detected. This may sound complicated but I am pretty confident any beginner with electronics should be able to do this just fine. The range sensor senses motion and tells your Arduino board to send the text (SMS). So you can leave the intruder detector at home, connected to your network, and still receive the SMS alerts, no matter where you are, as long as you have cell phone service.

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: Make a Solar-Powered Fan Hat

It's hot this summer, but it's not that easy to cool down when you're on the go. You can't take an air conditioner with you, and a handheld fan will just tire you out, so you'll need to find more creative ways to cool down when you're on the go. One of these ways is a DIY solar-powered fan baseball cap.

A New Breed of Invertebrate: Half-Rat, Half-Silicone Cyborg Jellyfish

A team of scientists might have just put Jellyfish Art out of business with their new cyborg jellyfish. By arranging the heart cells of a normal rat on a piece of silicone, they've successfully created their own Franken-jellies. When in salt water with a fluctuating electrical field, the rat's heart muscles on the rubbery silicone contract the lobes downward and back up, which mimics the pulsing movement of a young moon jellyfish swimming.

How To: Make a cell phone holder

In this series of handy crafts videos, our expert jewelry maker will show you how to create a custom home for your cell phone. She tells you how to choose materials for this utilitarian wire sculpture, then demonstrates how to wind the wire into just the shape you want for a resting place for your cell phone, or any number of other items that need storing, including eyeglasses and whatever else your imagination can dream up.

How To: Earn the "Kill Bill" and "Supreme Sacrifice" achievements in L4D 1&2 Xbox 360

At the very end of Left 4 Dead 2's new DLC "The Sacrifice" there are two achievements that you can receive in the game, Kill Bill and Supreme Sacrifice. Although it's easy to get Supreme Sacrifice, in order to get both at the same time you have to play as Bill when you go to turn on the generator. Not quite getting it? Check out this video for a quick tutorial on how to get both of the achievements!

How To: Calculate liquidity ratios in Microsoft Excel 2010

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 16th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate liquidity ratios including current ratio, times interest earned and cash Ratio. Also see how current ratio changes when certain trans...

How To: Get a girl to like you

In this video, we learn how to get a girl to like you. The ideal man for a woman is confident and makes the girl feel like she has earned you. You should come from a mindset of high value. You should never let the woman be the challenge for you, you should be the challenge for you. If you have a lot of women friends and date a lot of women, this will make her realize that you are in high demand. Don't let the woman think that she has control of you, so make sure you don't stick with one girl ...

How To: Hack Dragon Slayers 2 with Cheat Engine (12/10/09)

Users will need to use Cheat Engine version 5.5. This hack will increase the gold and food amount. Begin the game and play at least 2 levels to earn some gold and food. Open Cheat Engine, click one the computer icon and select the internet icon. Multiply the amount of gold or food by 8. Type the number in the Value bar and click First Scan. Buy anything in the game, multiply the new amount by 8 and put the number in Values. Check the frozen box below and add a new value (should be a divisible...

How To: Read the green to improve your golf game

Are you having trouble with your green reading? It's not an easy task, but you can learn it. Green reading doesn't start when you get to the green. In fact it starts when you approach the green. In this video, Rick Sessinghaus divides the art of green reading into four parts, from approaching the green to standing over the ball. See how to read the green on a golf course.

News: This HQ Trivia Replacement Is Just What You Need During Quarantine

With all this time spent stuck at home because of the COVID-19 pandemic, HQ Trivia would be a prime way to beat the boredom. Unfortunately, HQ went belly up in February, just before everyone had stay-at-home orders. While HQ has teased a potential comeback, there are other trivia games out there that are live right now. One of those brings the spirit of HQ Trivia back to our phones.

News: Scientists Turn Bacteria into Mini Cyborg Solar Panels

Plants all around us capture sunlight every day and convert it to energy, making them a model of solar energy production. And while the energy they make may serve the needs of a plant, the process isn't efficient enough to generate power on a larger scale. So, scientists from the University of California found a way to treat bacteria with chemicals that turned them into photosynthesis machines, capable of generating products we can convert into food, fuels, and plastics.

News: How Calcium Sets Off a C Diff Infection

Unfortunately, the very places we go to receive health care put us at risk for becoming infected with superbugs, bacteria exposed to so many antibiotics that they have become immune to their effects. Clostridium difficile (C. diff) is one such bacteria. It causes inflammation of the colon and rampant diarrhea that can have life-threatening consequences. Part of its virulence lies in the tough spores formed by the bacteria. They are responsible for starting infections in the colon and for spre...