How To: Make heat sensitive invisible ink
Onion water makes invisible ink. The drawing becomes visible when it is heated. Use this as inspiration for one of your April Fools Day pranks!
Onion water makes invisible ink. The drawing becomes visible when it is heated. Use this as inspiration for one of your April Fools Day pranks!
If your iPod is broken, don't worry! In this tutorial, learn how to remove and replace the screen on your iPod Touch so that it looks brand new again. This fix will not destroy your iPod if you do it properly and will still function as a heat sensitive touchscreen. Follow along and be careful!
Cooking Light food editors show you what to do -- and what not to do -- to create the perfect caramel. There are certain do's and don'ts to making caramel. It involves sensitive heat and making sure not to burn the sugar.
This video speaks about removing sensitive information in Adobe Acrobat 9. The viewer might get a very obvious idea of removing sensitive information by redaction. Redaction is the process of permanently removing sensitive information from a PDF file. This is done by opening the Advanced menu, clicking "Redaction" and then clicking "Show redaction tools", which can be in any format, images or text. The viewers will definitely get a clear idea of removing such sensitive information by redactio...
Have a file or a number of files too sensitive to be stored on your desktop hard drive? Thwart would-be snoopers with an encrypted USB flash drive. This free video tutorial from the folks at CNET TV will show you everything you'll need to know to create your own password-protected thumb drive directories.
Data thieves don't have to be programming wizards to get their hands on your personal information. They often find hard drives that contain financial and other sensitive data at flea markets, charity shops, the city dump—even on eBay. In this video tutorial, PC World explains how to completely erase sensitive data from old drives before recycling or discarding them. Wipe your old hard drives with this how-to.
Treat your acne and pimples the natural way with this video! Take some honey and put it in a small microwave safe bowl. You will want to heat it for maybe 8-10 seconds. You are not trying to heat the honey and make it hot. You are trying to thin the honey out a little bit so that it is not so thick. Before you heat it, it is harder to spread and sticky. Get a cheap foundation brush and use it to apply the honey. Start in the affected areas and spread it out over your whole face because it's g...
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 181st installment in their series of digital spreadsheet magic tricks, you'll learn how to count words (case sensitive) using the SUM and EXACT functions in an array formula.
When the climate changes, so do all the things that rely on the climate, including people, plants, and pathogens. A European study recently took a broad look at what kind of microorganisms are most likely to be affected as climate change heats, cools, dries, and wets the world around us.
TrueCrypt is a free application that lets you encrypt designated programs on your Ubuntu system to prevent unwanted access. Provided you select a strong password, intruders will not be able to open your personal files and documents. This instructional video walks you through the process of installing TrueCrypt on your Ubuntu operated machine and demonstrates an example on how to create an encrypted volume within a select partition.
Watch Bill Myers show you an easy way to quickly hide sensitive screen capture text or images using Camtasia Studio.
I went to get my boat ready for the summer and discover that my engine block was cracked. I looked online to find the cost of a new block to be way out of my range so I decided to see if I could repair the cracked block. Cast iron is very sensitive to heat and I do not have the skills to weld cast iron. So I decided to see if JB Weld would repair the block or not. To discover if it worked or not, watch the video below.
Any electronic equipment is bound to accumulate dust, slight moisture, dirt or any combination of the above on its sensitive parts over time. The delicate nature of items also means further care is required.
There are 10 major ways to protect your PC. Disable Autorun, in Windows. Make sure that your system is up to date, by setting automatic updates. Always use a log on for your computer that does not have administrative privileges. Use different passwords, and change your passwords on a regular basis. Don't use simple passwords. Be careful of using links sent to you via email. Never disclose your sensitive information in public forums: e.g. social networks. Encrypt sensitive data on your compute...
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 204th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUMPRODUCT and EXACT functions in an array formula to add the sales for a sales representative where lower and upper letters matter (i.e., are case sensitive) in the criteria (conditions).
This video shows how to use a special tool to redact or remove sensitive information from Adobe Acrobat 9. This includes hidden metadata, file attachments, comments, hidden text and layer elements within a PDF file. You can also set it up when you're emailing. The Examine Document function highlights information that you may want to remove. You can then select the different types of data and choose which things you want to remove.
Reading people's minds is something that most inquisitive and sensitive people have wished that they could do at some point. Well, what if you could? This video will show you a great multipurpose bar trick that will allow you to appear to read the mind or body of people in a variety of situations. It's really remarkable how easy this is and how well it works.
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 288th installment in their series of digital spreadsheet magic tricks, you'll learn how to count the number of characters or numbers in a text string with a formula that is case sensitive.
Take a look at this instructional video and learn how to use a heat-shrink sleeve to build up your tennis racket's grip. To do this you'll need a heat gun such as a standard blow dryer to warm the heat-shrink sleeve. Be sure not to heat it at one point, you'll want to heat it all over evenly. You should never use more than two sleeves, otherwise the bevels will completely disappear.
Know someone who's full of hot air? Grab them and make a heat motor with this cool home science experiment with Mr. G. When air is heated, it rises. This experiment uses that natural law to create a simple, spiraling heat 'motor'.
Whole Structure Heating Jeff White from Bedbug-central.com explains the different methods of effectively killing bed bugs in your home with heat instead of poison.
Whether you use electricity, natural gas or heating oil, there are many practical steps you can take to reduce your overall heat consumption and energy bills. In addition, multi-fuel stoves and fireplaces are fast gaining popularity as alternatives to traditional heat sources. Watch this video home improvement tutorial and learn how to lower the cost of home heating.
Learn about how you lose heat in a wilderness survival situation. This is part one of a series on survival shelters and skills by Ron Hood of survival.com. Defeat heat loss by understanding how you lose heat, building shelter and a fire.
You keep all kinds of important and sensitive information and data on your computer, and if your hard drives crashes, you're done for… unless you've backed it up. CNET has some "Insider Secrets" on how you can backup your system with an external hard drive, network-attached storage, and online services.
A simple water test can be used to check for a properly heated pan. Check out this short video tutorial from Rouxbe on how to test for proper pan heat. This video will support your cooking experience and will provide you with additional relevant information during your culinary time pan frying.
Like the crab that symbolizes them, Cancers can be a little soft-shelled at times, so woo these sensitive souls cautiously. Learn how to use astrology advice in dating, by watching this how-to dating video. Pick up tips on making a relationship with a Cancer work. Here a hint, do something nice for a Cancer when you suggest an activity for the both of you to do.
If you've ever dinged your car—or worse, a friend's or parent's car—and caused a dent, you know how expensive it can be to fix. A two-second mistake can end up costing hundreds of dollars, but you can save yourself repairs costs and a headache with just a couple of household items.
Password protect your files and folders in Mac OS X. This free video tutorial from CNET TV will show you how. Thwart would-be snoopers with this home cryptography guide, which presents easy-to-follow, step-by-step instructions on how to protect your privacy by encrypting your sensitive data.
Password protect your files and folders in Microsoft Windows XP or Vista. This free video tutorial from CNET TV will show you how. Thwart would-be snoopers with this home cryptography guide, which presents easy-to-follow, step-by-step instructions on how to protect your privacy by encrypting your sensitive data.
To repair damaged hair. Cut off the dead ends. When shopping, remember that you get what you pay for in hair care products. Use a shampoo and conditioner that says "Strengthening" or "Repair" to rebuild the bonds in your hair. Use a leave-in conditioner that protects your hair from the heat, and protects from sun and wind. To keep it healthy, do not blow dry your hair. It causes too much damage. When you use a heat iron, use a heat protectant. Don't wash your hair every day. If your hair is f...
This is how to solder wires properly and then heat shrink them in order to insulate them. Firstly upkeep of the soldering iron is required to keep it from oxidizing. Portable versions of the iron are also available to make work more convenient. A solder sucker is required to suck up and solder left behind by the iron. Alternatively you could use a solder wick which when used with the solder iron can absorb all the solder over the circuit board. Onto the actual process, strip off some of the w...
The Nessus vulnerability scanner, is the world-leader in active scanners, featuring high speed discovery, configuration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture. Nessus scanners can be distributed throughout an entire enterprise, inside DMZs, and across physically separate networks. In this network security video tutorial, you'll learn how to hack a network using Nessus 3.
Have sensitive data that you want to make sure you securely delete? Or maybe you're getting an external drive ready to recycle or to give to a colleague. In this video tutorial, you'll find instructions for securely emptying your trash and also securely delete the contents of an external hard drive. For more, and to learn how to remove data from your Mac computer securely, watch this video tutorial from Apple.
Open up your mobile phone and solder on a light sensing resistor to make an alarm go off when the phone is in the light. Possible uses?
Are you looking to build a cool home science experiement? Why not try out a Stirling engine? Wait, what IS a stirling engine? Well... a Stirling engine is a heat engine operating by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work. This project was made from parts around the house and you should be able to do the same. This is a great project to explain how gears work,...
In this tutorial, we learn how to make a winning spicy country shrimp and grits dish. This is a classic southern dish with a Latin twist with some heat! To start, take your shrimp and peel and de-vein them. Add some Cajun seasoning and set aside. Then, grab some cream and pour it into a pan with salt, pepper, hot sauce, chili flakes, and salt. Then, heat up a pan with some Andouille sausage and let the grits thicken up. Pour the shrimp into the pan with the sausage and then heat up together. ...
Want to know how to remove the fans, heat sink and processor from your Mac Pro? This brief how-to will guide you through the process, the first necessary step of any upgrade or repair to either of the aforementioned parts. This tutorial will also be of use to those who wish to learn more about the guts of their Mac Pros without actually disassembling their units.
Do you need to straighten your hair but are tired of frizzy damaged tresses? Check out this tutorial, and learn how to straighten your hair in about 20 minutes without any heat at all.
In this tutorial, Karen Solomon from CHOW shows us how to make homemade cheese crisps from deli-sliced provolone cheese. All you need is a spatula, deli-sliced provolone cheese and a pan over heat! First, heat your pan over medium-high heat, grab your cheese and place it into the center of the pan. Once it's bubbly and brown around the edges you can turn it over with the spatula and cook the other side until it's golden brown as well. When finished, place onto a paper towel so the grease can ...
In this video from ExtremeBartending, you can learn how to heat up and serve warm brandy, a classic drink, which is particularly nice to sip on a cold night. The video offers three separate ways to achieve your warm brandy, using hot water in a brandy snifter to warm the glass, and then pouring in the brandy, putting hot water in a separate glass, and then resting your brandy snifter on that, or finally, a bold method that actually involves setting the brandy on fire!