The cell phone may have replaced the pocket watch, but thanks to some clever mods and hacks, "old-fashioned" time telling is making a comeback. Smart watches that connect to your mobile device cannot only tell you what time it is, but also change the song you're listening to and let you know how many Facebook notifications are waiting for you. Frank Zhao, an electrical engineering student at the University of Waterloo, decided to do something a little different with his LED pocket watch. It h...
WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the communities.
If you're tired of replacing the batteries on your remote control and you would rather have the TV remote charge by itself, grab a few solar cells, rechargable batteries, and a few extra odds and ends. With this mod to your remote, you can let light charge your remote and never buy another battery for it again!
A sonicator is a scientific device used to liquefy cells in order to study their proteins. The same tool can also be used to liquefy other things, including Gummy Bears! This video will show you how to use a sonicator to destroy a Gummy Bear completely in a very scientific way.
When you think of robots, you probably think of things that have more than three parts. Not this robot! If you want a robotics project to try that doesn't require an MIT degree, watch this video for instructions on how to build a 'Dizzy Robot' out of only some thin tin, a pager motor, a button cell battery, and this template.
Glow sticks are one of the few things used commonly by ravers and military personnel, but their uses extend far beyond dancing and illuminating. The juice contained in blue glow sticks can be used to make an organic LED (OLED) test board, and this video will show you how to do it.
In this tutorial, we learn how to make Splinter Cell prop goggles. You will need: goggles, a saw, pipe, a brush, black paint, duct tape, batteries, chop sticks, glue, a ruler, and a pen. First, mark three cuts on the pipe to 3 cm and 5.5 cm. Now, use the saw to cut these. Then, use sandpaper to smooth all the edges. Next, place these onto the goggles and glue them with a hot glue gun. Next, grab two batteries and wrap them in duct tape. Place these with them and then paint these all black. Af...
In this video, we learn how to make your own solar panel.The amorphous solar glass is the cheapest but it's also the least efficient. You can do anything you want with these and they are durable. The hexagon cells are the most efficient and most expensive as well. The poly crystalline is almost 2 watts a piece and can be purchase in lots of any size. You have to tab these cells together and they are extremely fragile. Be careful when you work with these. To make these, you will solder tabbing...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 729th installment in their series of digital spreadsheet magic tricks, you'll learn how to lookup an item when multiple lookup items are in a single cell with the LOOKUP and SEARCH functions.
In this tutorial, we learn how to link two workbooks and cells in Excel. First, save both of the files that you want to link together. Make sure you only have one Excel window open, then double click the other Excel file, don't open separately. Next, type in the equals sign into the "A" column, then to go the window menu and you will be able to see all the Excel files currently open. Now, click "link" and you will be taken back to the original worksheet. Now, you will be linked to the other n...
If you're looking for Easter Eggs in the Xbox 360 hit, Fallout 3, this next tutorial will show you one that is quite shocking. In this video you'll be going after the electric toilet that can only be found at Hubris Comics. It's a regular toilet but is wired to 35 microfusion cells. Try to drink from it and you'll lose some health thanks to a little shock. Now if you're repair skill is high enough, you can actually disarm the toilet and take the cells with you. But first, you need to find it ...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 618th installment in their series of digital spreadsheet magic tricks, you'll learn about a handy key command that will allow you to enter both today's time and date into a single Excel cell.
Sam Fisher is back and boy is he mad! The man, as well as the iconic goggles, are back in Splinter Cell: Conviction for the PS3 and Xbox 360. Aside from the original story mode, the game also offers a bunch of great P.E.C. challenges that are sure to keep gamers busy. Some of these challenges are easy to complete, while others are extremely difficult and require great skill to complete. So in this helpful tutorial from the people at IGN, you'll find out how to rule the challenges using some h...
Are you looking for a way to make your Microsoft Excel formulas simpler, faster and more efficient? If so, you're in the right place. With this free video lesson from everyone's favorite digital spreadsheet guru, YouTube's ExcelsFun, the 7th installment in his "Excel Formula Efficiency" series, you'll learn how to use a helper cell to remove a time-consuming (expensive) section of your formula to speed up calculations.
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 2nd installment in his "Excel Statistics" series of free video lessons, you'll learn how to make calculations in Excel using formulas and cell references. Learn about the different Excel Math operators and func...
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 35th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the IF, AND and VLOOKUP functions to deliver the words Bid, No Bid, or Alert to a cell. Is VLOOKUP better than IF AND? Find out with this free video lesson.
In this how to video, you will learn how to create a diagonal sum in Microsoft Excel 2007. First, open the program and make a large selection. Type in =int(rand()*500) and then press control enter. This will create random numbers for the cells in the selection. From here, click conditional formatting and select new rule. From here, type in =column(A1)-row(A1)=$H$1. For the format, choose a contrasting look, such as a purple background and bold numbers. Click okay. If you type -1 or -2 in this...
Robert demonstrates how to quickly insert formulas into Excel. To create a sum, highlight your selected cells and press the sum key. Expand the formula by clicking on the fill handle. Double click on the fill handle to expand the formula. To sum vertical columns, highlight all the cells and click the sum button. Press and hold down the control key for another shortcut to work in accordance with the auto sum button. You can also select the average for the area. You can also select the area and...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 241st installment in their series of digital spreadsheet magic tricks, you'll learn how to create a data validation drop-down cell list where the list shrinks as you select values.
This is a presentation of different types of immune responses in human body. There are two types of immune systems i.e., non specific and specific or adaptive immune system. Again, non specific immune system is sub- divided into barriers. It is the first line of defense. The second line of defense is the inflammatory response. They are phagocytes. These are all products of white blood cells. It is also called as leukocytes. Lymphocytes are another type of white blood cells which are carriers ...
Want a way to dynamically reference the number of instances of a given word in a Microsoft Office Word document from Excel? Who doesn't, am I right? In this Microsoft Excel tutorial from ExcelIsFun, the 543rd installment in their series of Excel magic tricks, you'll learn how to do just that.
In this Excel magic trick video the tutor shows how to change operator in a formula from a drop down using Choose function. He shows a basic work book which can be downloaded from the internet for hands-on to the tutorial. In this trick the tutor shows how to include some operators in a drop down box of a cell and based on this drop down value change the operators in equations that are using this cell there by dynamically altering the equation and the value produced using the equation. For th...
In this Excel magic trick video the tutor shows how to perform reverse two way look up for date and time columns and row headers. In this tutorial he shows a spreadsheet that contains dates in columns and times of a day in rows which makes up a small table schedule. Now he shows how to use those values of the cells in that schedule table and summarize and print out the values based up on a name or some other text value. He also refers to a previous video of his which he says to watch to get g...
In this Excel magic trick video the tutor shows how to perform reverse two way look up for date and time columns and row headers. In this tutorial he shows a spreadsheet that contains dates in columns and times of a day in rows which makes up a small table schedule. Now he shows how to use those values of the cells in that schedule table and summarize and print out the values based up on a name or some other text value. He also refers to a previous video of his which he says to watch to get g...
In this video the author shows how to perform custom number format for turnover ratio in a Microsoft excel document. He shows how to perform custom number formatting in which he shows how to display a decimal value in words. He opens the Format Cells option and there he shows how to set the Custom option. He shows how to configure different options so that we can format the decimal value and display it as text with some meaning attached to it. In this video the author shows how to use custom ...
This video takes you through the details of creating a website using Nvu without paying any amount of money to anyone. This program will take you through the basic steps in creating and setting your own website. You will learn how to format a page, give the page the color and background you prefer, placement of cells, insert the needed icons and setting instructions and links to the needed cell. All you have to do is follow these easy steps and get started with your own website.
Electrolytes are solutions containing ions usually found in sports drinks that help maintain proper hydration during extreme physical activity. A balance of electrolytes is important for the normal functioning of the cells and organs of our body. The most popular electrolytes are sodium, potassium, chloride and bicarbonate. Try these tips for buying foods rich in electrolytes in this nutrition how-to video.
Storing information, such as a full address, in one column can limit what you can do with that information. For example, you can't easily filter or sort by part of the address, such as country/region or city. However, if you break up the address into its parts — street address, city, state/province, postal code, country/region — one for each column, you can remove those limits. Watch this instructional video to see how to use the Convert Text to Columns Wizard to automatically break up a sing...
Not exactly sure how to get a hold of a death certificate? Whether you need a death certificate to trace your family history or to make a legal claim, follow these steps to get the record you need.
Watch this science video tutorial from Nurd Rage on how to make a lithium thionyl chloride battery, which is capable of generating 2.8v with enough current to power a LED.
In case you hadn't heard, Google is now a legit cell service provider. Google Fi has its pluses and minuses, but the biggest upside is in the pricing. Depending on how much data you typically use, there's a good chance you could save a lot of money without sacrificing coverage by switching to Fi.
Natural remedies used through the ages abound, especially in Asian medicine. The willow-leaved justicia plant, found throughout Southeast Asia, has traditionally been used to treat arthritis, but scientists have just discovered it contains an anti-HIVcompound more potent than AZT. AZT was the first drug approved to treat HIV, and is still used in HIV combination therapy today.
New research reveals how E. coli bacteria construct elaborate and effective tunnels to pump unwanted molecules like antibiotics and other toxins out of cells. The discovery could help us better understand how antibiotic resistance occurs and give us a leg-up to beat them at their own game.
Drug-resistant bacteria have made curing some infections challenging, if not nearly impossible. By 2050, it's estimated that 10 million people will be dying annually from infections with antibiotic-resistant organisms.
Usually, the mucus lining of the female genital tract presents a barrier that helps prevent infections. But, somehow, the bacteria that causes gonorrhea gets around and through that barrier to invade the female genital tract.
Usually, we think of vaccines as preventative, a shot we get to prevent the flu or some childhood disease like measles or mumps. But there are vaccines for other purposes, such as the ones studied by researchers from the Netherlands.
In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight.
Rumors have had Google making a foray into the mobile carrier world for quite some time, but today, the Mountain View tech giant finally made things official. The new service, dubbed Project Fi, will be a Mobile Virtual Network Operator, or MVNO, that uses existing Sprint and T-Mobile cell towers.
If you drop your smartphone in water, take it apart as much as you can and place it in rice. It's been the most recommended method of cell phone rescue since the days of clamshells. In fact, it's usually the only thing recommended when searching for "how to save your wet phone." Turns out, we've been wrong all along.
Who needs to talk to a girl when you can just text them? I mean, am I right? There's even a movie about a guy who falls in love with a girl inside his cell phone (and it actually looks pretty good too). For all you clowns, the girl is not actually inside of his phone.
