Laboratory Employees Search Results

How To: Make clouds inside a bottle

Using a huge jar and with water colored with die in it you can make clouds. To do this set up the apparatus as shown in the video. Now open up the top valve and blow air into the jar. Now this causes the air inside to be compressed as we are pushing more air into the confined jar. This creates a high pressure inside the ball. To understand how clouds are formed you need to know two concepts. The first concept is that as pressurized gas expands it cools. The second thing is that warm gases can...

How To: Calculate percent yield

This video shows you how to calculate the percentage yield in chemistry. To find the percentage yield, you will need to divide the actual yield by the theoretical yield. Then, multiply it by 100: i.e. % yield = actual yield/theoretical yield x 100. An actual yield is the amount of a substance produced in an actual laboratory experiment. It is based on an actual physical measurement of a quantity. The theoretical yield is the yield as is calculated on paper: i.e. through calculations. Therefor...

How To: Hack Smart Cards for satellite TVs

Notorious hacker Chris Tarnovsky opens his underground laboratory to WIRED, providing a peek into the world of satellite television smart-card hacking. This complicated process involves nail polish, a pin head and various acids -- so don't try this at home (unless you're Chris Tarnovsky)! Chances are you won't even know what's going on here, but that's not going to stop you from watching this video tutorial on how to reverse-engineer a satellite TV smart card, is it?

How To: Measure electrical resistance with a multimeter

This is a guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure electrical resistance. These two video guides the student through the proper techniques for measuring resistance with a multimeter, but you'll need some assorted resistors, a rectifying diode, a photo cell, an electronic labs kit, and some other stuff.

How To: Install siding safely during residential construction

This video is dedicated to the residential construction workforce and focuses on how to safely install siding. It's intent is to help provide employees and employers with the tools to make the residential workplace productive and safe. It outlines a number of code requirements and will show how to work safely and how to meet all of the safety requirements during the siding phase of residential construction. The areas discussed in this safety video are job preparation, walk-around safety inspe...

How To: Choose accurate paintballs for your paintball marker

There's a little trick to making sure you're getting the best paintballs for your paintball marker, and it takes hardly any work, except maybe hiding from the department store employees! The tip is to open the packaging and remove a couple paintballs. Then find a flat surface in the store and roll them to see if they're smooth or have dimples (which can cause inaccuracy in shooting).

How To: Apply a bandage and dressing to a minor wound

Dressings and bandages are the basic tools of first aid. The type of dressing and bandages as well as the techniques for applying them will vary. But with the help of this first aid how to video, you will be able to choose and apply the right one to an injured victim. These first aid tips for work are sure to keep your employees healthy and happy.

How To: Improve your web page's performance with browser caching

Google is the biggest and best search engine on Earth, and if you are a webmaster and want your website to be a big success it would really behoove you to know as much about how it works as possible. The Google Webmasters series of videos and website were created to teach webmasters, SEO professionals, and others how Google works by answering their questions and giving them insights into how they can best integrate and utilize Google's functionality to improve their business. This video featu...

How To: Use HipHop for PHP to improve website performance

HipHop for PHP is a source code transformer that allows you to optimize your PHP code easily, which will allow you website to run faster on less server space. This video is a record of a seminar on using HipHop done by a Facebook employee who had a hand in it's development. If you make websites using PHP, this will be very good stuff for you to learn.

How To: Safely lockout electrical disconnects during repairs

This video aimed at electricians, is designed to help employers and employees what is required in the standard that is applied for the control of energy during maintenance and servicing of equipment and machinery. Employers are required by law to develop proper lockout safety procedures and provide proper protection materials and safety training. This video is highly important for any electrician, apprentice or journeyman, because it will help prevent injury… or even death.

Steampunk R&D Podcast 02: Joey Marsocci on Professional Steampunking

This week on the Steampunk Research and Development Podcast, our guest is Joey Marsocci, better known to the world as Dr. Grymm. He's a full-time, professional Steampunk maker, and is the owner and operator of Dr. Grymm Laboratories. He's written several books and has worked as a designer at companies such as Hasbro and Disney. In fact, he worked with Disney to design the 20,000 Leagues Under the Sea attractions for both Paris and Tokyo Disney parks.

How To: Dress for a business casual interview

In a recent poll taken by an online recruiting company revealed that 37 percent of all hiring managers do not hire someone based just on the way they dress, more than half said they'd hold it against a candidate if they hadn't worn a jacket and seventy percent said that they wouldn't hire anyone wearing jeans, a leather jacket or a polo shirt to the interview. The rules for office dress code have changed, more and more companies offer their employees a business-casual dress code which makes i...

Video: How to Use Maltego to Research & Mine Data Like an Analyst

So much information exists online that it's easy to get lost in data while researching. Understanding the bigger picture can take a lot of time and energy, but narrowing the question to one that's easy to answer is the first step of any investigation. That's why analysts use open-source intelligence (OSINT) tools like Maltego — to help refine raw data into a complete understanding of a situation.

How To: Save money on your phone bill & upgrade early for free

In this clip, learn how to make the right phone calls and press the right buttons to "trick" your phone company into giving you a free phone upgrade before you are due. You will also learn how to save money on you phone bill by using a few choice words on the telephone. This trick works for Sprint, Verizon, T-Mobile and AT&T, so not matter who your carrier is you will be golden. This clip is hosted by an ex-employee from a cell phone company, so it is full of insider tips.

How To: Use VLOOKUP queries inside of an MS Excel IF function

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 588th installment in their series of digital spreadsheet magic tricks, you'll learn how to determine whether an employee is exempt from a tax using a VLOOKUP in an IF function, and if not use a second VLOOKUP lookup query to look in tax tables to look up and calculate the tax

How To: Work at home with Amazon's Mechanical Turk

Mechanical Turk is a cool work from home website to help you make a little extra cash. The website offers simple little jobs that anyone can do and pays you for them. It is a scam-free site, and requires no credit cards or fees or money of any kind, but legitimately pays out. In this tutorial, learn how to use and work for Amazon's Mechanical Turk from one of its current employees. If you can't leave home for some reason, or are looking to make some extra money while you sit at home in your u...

News: Ex-Magic Leapers Confirm the Demo Video We All Thought Was Faked... Was Faked

When the "Just another day in the office at Magic Leap" video was released last year, it was called a mind-blowing, stunning, and breathtaking take on mixed reality gaming. It was a great presentation of what the technology could be, but not for a second did I think it was anything other than a concept video, and I'm not the only one who thought that. This was a goal to reach for mixed reality, not the reality.

How To: Extract a unique list from a huge data set in MS Excel

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 581st installment in their series of digital spreadsheet magic tricks, you'll learn how to use the advanced filter tool with criteria to extract a unique list of employees for each department from a huge data set with transactional records.

How To: Use data validation with a list in Excel

This video shows you how to idiot-proof a data set in Excel pretty much. It demonstrates how to enable data validation in a cell, so that when you type something in it must be in a predetermined list or will not work. Start by typing in your data table in a second tab. His example is a date, then information about certain employees based on that day. To enter the data validation menu, click the cell you want to use and then hit ALT+D+L to bring it up. Go to settings, then under the Allow menu...

How To: How Do You Know if You Can or Should Start a Business Part 2 of 3

Starting a business has to involve a desire to benefit someone else other than you. If all your reasons for starting a business are to benefit you, chances are good that you have missed the big picture. At least one reason you have to want to stat a business needs to be to help someone else. Either use proceeds from the business to help a charity of your choice or to solve a problem or provide a solution to a need for the target group that your business serves. Focus on one issue to start wit...