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How To: Perform hot filtration in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform proper vacuum filtration in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

Google+ Pro Tips Round-Up: Week 3

Now that you can invite anyone you want to Google+, the floodgates are open. If you've been bummed out about not being able to share the joys of Google+ with your friends and acquaintances, make use of that handy envelope icon the right side of your stream page. Just enter the email addresses of the people you want to invite, and hit the "Invite" button.

News: PostgreSQL Quick Start

Introduction PostgreSQL is a very popular Open-Source database management system. It competes heavily with many proprietary and commercial database management systems. More information on what it is and it's history can be found here and here.

How To: Manage your professional photography business using Canon Studio Solutions

For a professional photographer in the market for good business management software, Canon offers the Studio solutions package. This tutorial series outlines all the various functions and features of Studio Solutions, such as order processing, client files and managing your various photos for each product. Manage your professional photography business using Canon Studio Solutions - Part 1 of 8.

NORTHWAY Games: Cool Indies by a Restless Company on the Road

Game design is sedentary work. Generally its practitioners do their work with their butts planted securely in front of a computer in an office (be it home or away) as their muscles and verbal skills atrophy. Even game journalists are prone to this condition. Not so with Colin and Sarah Northway (pictured below), the husband and wife team behind NORTHWAY Games. Not only do they make really cool indie games, but they do it with just a laptop while traveling the world meeting indie developers of...

How To: Make Homemade Black Pasta Dough with Squid Ink

When you think squid ink, you don't normally think of pasta, but that's just because you're not thinking of black pasta! Yes, squid ink is indeed edible, despite its thick, gooey texture, and it's used most commonly as food coloring for pasta dough. And adding color to fresh pasta opens up a world of ideas for sauce, meat, herb, or cheese pairings!

How To: How Cross-Site Scripting (XSS) Attacks Sneak into Unprotected Websites (Plus: How to Block Them)

XSS stands for cross-site scripting, which is a form of web-based exploitation that uses client-side vulnerabilities in a web page to execute malicious JavaScript codes. JavaScript is referred to as "cross-site" because it usually involves an external website containing the malicious code. That code is most commonly used to steal cookies with a website that the attacker created and hosted on another server. The cookies can then be used to escalate privileges and gain root access to someone's ...

News: A WORD TO THE WISE ABOUT REMOVING INTERNET EXPLORER

Warnings INTERNET EXPLORER IS USED BY MANY PROGRAMS BECAUSE IT IS ALWAYS THERE, AND MANY PROGRAMS LOAD IT EVEN IF YOU HAVE YOUR DEFAULT AS SOMETHING ELSE, I KNOW IT CAN BE A PAIN, BUT IT'S A FACT AND WON'T BE GOING AWAY, JUST LIKE IE WON'T BE GOING AWAY FORE IF YOU UNINSTALL IE AND HAVE SAY FF AS YOUR LONE BROWSER, YOU WILL EVENTUALLY FIND MANY THINGS DO NOT WORK ANYMORE, SO BE WARNED & KEEP IE FYI...

News: The Importance of Xavier Becerra

Born in Sacramento, CA on January 1, 1958 and raised by two Mexican immigrant parents, Xavier Becerra was the only Hispanic on the House Ways and Means Committee. He was elected vice chair of the Democratic Caucus for 111th Congress and was a reprensentative from California's 31st district. From 1987-90, he was the California Deputy Attorney General. Xavier Becerra was part of the California State Assembly (1990-92) and has been a member of the U.S. State House since 1993.Xavier Becerra is a ...

How To: Save $20 on Your Amazon Prime Subscription

Amazon Prime is a yearly subscription service that offers free two-day shipping as well as free streaming of Amazon's movie and TV show catalog. If you're a member, you probably got a not-so-fun email this morning saying that the price of the service would increase from $79/year to $99/year after April 17th. While their reasoning is understandable, twenty bucks is twenty bucks! Here's how to renew your current membership at the original price, if it expires after April 17th, courtesy of Slick...

How To: Celebrate National Boss's Day to Get What You Want by "Managing Your Boss"

Boss's Day is on October 16th, and this year it falls on a Saturday— what better of a day to celebrate Boss's Day? More than likely, you won't be working in the office this weekend, and if you are, you probably don't feel like celebrating and thanking your boss for being so kind and fair. So, forget the cake and ice cream and instead, take the chance to develop a good relationship with your boss, because hating or kissing up to your boss just isn't the way to go.

How To: Make an Exploding Ashtray Prank for April Fool's Day

The exploding ashtray prank was once fairly commonplace long before the Internet was born. Using flash cotton to create a startling explosion, this prank is certainly effective at getting a reaction. Flash cotton is a staple of many magic acts; used for its ability to create a brilliant flash of fire without causing a burn to the skin.

News: Fiber Laser Scores Aperture Logo in Steel While Playing Portal's "Still Alive" Theme Song

Most of your who visit Fear of Lightning are probably well familiar with laser weaponry, thanks to Christopher's three-part series covering carbon dioxide, flashlamp, and semiconductor lasers. Another type of laser currently being developed as a weapon is the fiber laser, which is compact and efficient, but much weaker than a chemical laser. Fiber lasers are more commonly used in laser cutting and marking, telecommunications, spectroscopy, and of course... music.

How To: Make a Hairspray-Fueled PVC Rocket Cannon

This week, I've been working on a project that sort of takes a spin off an old-style potato gun. Using PVC pipe and the rapid combustion of hairspray, we can launch a rocket hundreds of feet into the sky. As usual for my projects, I tried to use only materials and parts that are commonly available. I even give two different forms of ignition, in case one method ends up being hard to come by. The following video will explain the project further: The launcher can be reloaded and fired repeatedl...

How To: Make a BB Machine Gun from a Soda Bottle

In a previous article, I showed how to make a powerful airsoft BB machine gun with a portable air supply using about $50 worth of PVC and air fittings. For this project, I have simplified the design to make a machine gun out of only 4 parts totaling about $15 that runs directly off of an air compressor.

How To: Make a Mini Cannon From a Lighter

I love this project. It involves fire, projectiles, electricity, and is easy to put together from commonly available parts. This mini cannon fires airsoft pellets, is fueled by alcohol, and is made almost entirely from parts found in a standard BBQ lighter. The total cost is under $5. About half of the BBQ lighters out there have a divide in the gas reservoir which makes them not work for this project. In case you have trouble finding a suitable lighter, the exact one I use in this video is a...