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...
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...
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?
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.
In a legal brief entered on Monday, Florida-based startup Magic Leap has filed suit against the founder of Nreal, a former employee of Magic Leap, claiming that the company's Nreal Light smartglasses were built using Magic Leap's intellectual property.
The legal travails of Magic Leap appear to have no end in sight, as a lawsuit filed by an ex-employee further threatens to dampen the startup's 2018 launch.
One of the most overlooked components of talking about augmented reality and virtual reality is getting people to actually use the hardware and software associated with these platforms.
What do you get a co-worker for Christmas, Hannukah, or Kwanzaa when he or she already has a Meta 2 headset?
Uber CEO and co-founder Travis Kalanick is taking an indefinite leave of absence from the company, as Uber's recent upheaval has far overshadowed any developments in its driverless initiative during the past few days.
Magic Leap is no stranger to hype and speculative advancement—when their name pops up in the news, all focus turns to them. And the company is making news again this week, with the knowledge of an acquisition of a startup founded by former Apple employees, and by hiring animators from an Emmy and Oscar award-winning studio.
It's no secret Uber has had a pretty rough year, in no small part to being sued by Google. But Google doesn't seem to have intended a full lawsuit against Uber from the get-go, as news today shows Waymo pushed for arbitration against their former employee last fall, months before the news broke that they were suing Uber.
Meta Company filed suit today against a former employee and his startup DreamWorld USA, Inc. for the misappropriation of trade secrets and confidential information.
Roofing is pretty dangerous work, maybe one of the most dangerous is residential construction. But if you're following all of the necessary safety guidelines, the chances of getting injured on the worksite are minimal. Working safe doesn't take long, and you don't have to sacrifice safety to do quality work and make a profit.
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...
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).
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.
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...
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.
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.
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
This video demonstrates a very simple way to broadcast your voice on the same frequencies that a drive-thru restaurant uses, enabling you to mess with the customers and employees. This hack will work on just about any fast food drive thru.
Have you ever wanted to control a swarm of robots? Well, now you can! Robotics researchers at New York University (NYU) have created an app which controls 'bots from your smartphone, using augmented reality. This AR app would certainly come in handy when you want to make a coffee from the comfort of your couch, but let's not get ahead of ourselves!
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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.
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...
As the tech world patiently waits for the advent of mainstream consumer smartglasses, Google is content to stick to the business world (for now).
A week after reducing the base price of its Focals smartglasses by nearly 50 percent, wearables maker North is now reducing its workforce.
It turns out that coming up groundbreaking technology and raising billions may actually be the easy part for Magic Leap, as a new report has revealed yet another legal entanglement at the Florida-based company.
French manufacturer Renault Trucks is looking to the HoloLens to improve quality control processes with its engine assembly operations.
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.
Uber has lost market share to Lyft, its main competitor. Uber's US market share dropped from 84% to 77% between January and the end of May this year, and the ride-sharing company has continued to run into legal, public-image, and internal trouble. Lyft, on the other hand, has been growing.
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.
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
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...
The tradition of using cutting edge technology to prepare for missions in space, in this case, augmented reality, continues with a new team of international astronauts slated to board the International Space Station (ISS) later this year.
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.
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.
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...
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...
Less than a month after the worldwide launch of HoloLens 2, call center consultant BellSystem24 has already prepared an augmented reality solution for one of its clients.