Standards Limit Search Results

News: The iPhone XS & XS Max Are IP68 Water-Resistant — Here's What That Really Means

They're finally here. Apple announced three new iPhone models at their "Gather Round" event in Cupertino, and they're all absolutely gorgeous phones. With bezel-less screens and polished titanium edges, the iPhone XS, XS Max, and XR are truly marvels of engineering — but perhaps the most impressive design feat Apple pulled off is the fact that two of these models are rated IP68 under the IEC standard 60529.

How To: Work with limits in calculus

Can't quite get your head around limits? You're in luck. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with limits in calculus.

How To: Generate random numbers (with decimals) in Excel

This video shows you how to generate random numbers with decimals in Microsoft Excel.When generating random numbers you must have a lower and upper limit, so that your number will be generated between the two limits. For a number without decimals, you only have to use the "=randbetween" function. If you want to use decimals, you will have to use a different but similar function. Start by typing "=rand()". Next, you multiply this by the difference between the limits and add the lower limit. Fo...

News: Standard Testing Frequently Misses UTIs — But Now We Have a Better Way

Have you ever had a burning sensation when you urinate? Low fever, back pain, and maybe cloudy urine? Male or female, it could have been a urinary tract infection. If it lasted long enough, the chances are good you went to the doctor for help. For about 20% of women, standard testing for a UTI does not reveal the presence of infection-causing bacteria, even though bacteria may be causing their symptoms. Well, a new test may provide better answers.

How To: Everything You Need to Know About RCS Universal Profile

Google is on a mission to bring a better messaging experience to Android users. We've seen them try and fail over the years with various messenger apps, but this time, they're taking a different approach by working with industry leaders to create a new messaging standard. The result is RCS Universal Profile, or simply Chat, and it's finally catching on.

How to Hack Wi-Fi: Getting Started with Terms & Technologies

Welcome back, my hacker trainees! A score of my readers have been begging for tutorials on how to hack Wi-Fi, so with this article, I'm initiating a new series dedicated to Wi-Fi hacks. This will probably be around 6-9 articles, starting with the basics of the technologies. I can hear you all groan, but you need to know the basics before you get into more advanced hacking. Then hopefully, developing your own hacks.

How To: Use AGGREGATE instead of SUBTOTAL in MS Excel 2010

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 664th installment in their series of digital spreadsheet magic tricks, you'll learn how about how the new Excel 2010 AGGREGATE function that can calculate these 19 different functions depending on what number you put into the 1st argument of the AGGREGATE function. This is an improvement over the SUBTOTAL function wh...

How To: Build an analog internet meter out of an Arduino Ethernet Shield

The internet has created amazing new standards for how closely information can be followed. If you want a portable analog unit that will monitor one important piece of online info continuously and have some DIY electrical knowhow, watch this video. It will show you how to use an Arduino Ethernet Shield to make an internet meter to monitor email, stocks, and other online info on a simple analog display. You will need to know some PHP to make this work.

How To: Create a medieval Knights Templar styled intro in After Effects

If you've seen the films "Name of the Rose" and "Kingdom of Heaven", you're familiar with the medieval period, and if you want to create an animated intro in After Effects with a medieval style to it, follow along with Laurence Grayson in this three-part AE tutorial where he creates his own intro title sequence called "The Order". Learn how to quickly create a red wax seal, parchment paper and animated calligraphic text using only the standard toolset in Adobe After Effects (CS3, CS4 or CS5).

How To: Play "As Time Goes By" by George Gershwin on the ukulele

Want to play "As Time Goes By" by George Gershwin on the ukulele? Learn how with this video tab from Glen Rose of Jazzy Ukulele, which presents a complete breakdown of the song's component sections, chords, and strumming & picking patterns. For all of the details, and to get started playing this popular jazz standard on your own uke, watch this free video ukulele lesson.

How To: Play "Swinging on a Star" on the ukulele

Want to play "Swinging on a Star" on your ukulele? Learn how with this free video ukulele lesson from Ukulele Mike, which presents a complete breakdown of the song and its chords. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more inform...

How To: Play "Fly Me to the Moon" on the ukulele

Want to play "Fly Me to the Moon" on your ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this popular standard famously...

How To: Play the Righteous Brothers' "Unchained Melody" on the ukulele

Want to play "Unchained Melody" by Alex North & Hy Zaret on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this pop...

How To: Play Glenn Miller's "In the Mood" on the ukulele

Want to play Glenn Miller's "In the Mood" on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this popular American s...

How To: Play "I'm in the Mood for Love" on the ukulele

Want to play "In the Mood for Love" by Jimmy McHugh & Dorothy Fields on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started play...

How To: Play "Pennies from Heaven" on the ukulele

Want to play "Pennies from Heaven" by Johnny Burke and Arthur Johnston on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started pl...

How To: Play "Wipe Out" by the Surfaris on the ukulele

Want to play "Wipe Out" on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing this great surf standard, watch this vide...

How To: Play "Surfer Girl" by the Beach Boys on the ukulele

Want to play "Surfer Girl" by Brian Wilson of the Beach Boys on your ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, and to get started playing thi...

How To: Perform a standard non-precision approach and landing procedure in an aircraft

A pilot that earns an instrument rating is a pilot that's mastered his or her flight skills to a level or precision and accuracy needed to safely fly an airplane through clouds, fog, and other adverse weather conditions. While flying in these weather conditions, known as IMC, or instrument meteorological conditions, a pilot is tasked with flying an airplane solely by reference to flight instruments. The pilot needs to be able to go from takeoff to landing, without having any outside visual re...

How To: Play "Between the Devil and the Deep Blue Sea" on the ukulele

Want to play "Between the Devil and the Deep Blue Sea" à la George Harrison of the Beatles on the ukulele? Learn how with this free video ukulele lesson from Ukulele Mike. Whether you play the ukulele or bass kazoo, there is no better way to improve your chops than by learning to play your favorite songs. Not only is it more fun and much easier than running drills or memorizing a chord book by wrote, it's obviously also a wonderful way to build your repertory of songs. For more information, a...

How To: Make a loud paper banger noisemaker

Making paper bangers / poppers is one of the most fun and annoying (to others) things that you can do with a single sheet of paper. This video will show you how to make one in very copious detail by the standards of other paper bomb videos. It may take some practice to get the banging motion right, but once you do this little banger will be very loud. It's also reusable, so you can use the same one to annoy people for weeks! Or until someone rips it. But then you can just make another one!

How To: Make a cheap DIY camera slider for your film

Film and television cinematographers love sliding camera shots, especially since ER made them a standard device for television dramas. A professional sliding camera setup is expensive though. Why not make one yourself? This video will show you how to turn $20 into a high-quality filmmaking tool that you can use to give your films some very professional-looking shots. Now get out there and follow that gurney with the camera!

How To: Model particle dispersion in 3D Studio MAX

The teapot dispersion method is a standard technique for teaching particle dispersion in 3D Studio MAX. This three-part video seeks to use the infamous example to explain particle dispersion as effectively as possible. It explains basic particle systems and material animation properties, and by the end you should be able to model a 3D teapot turning into a million little teapot particles.

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.

How To: Graph a rational function using limits

Need help figuring out how to graph a rational function with limits? Learn how to graph a rational function using limits to find discontinuities and functional asymptotes with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Differentiate between restraining or protective orders

If someone violates a protective order, there are — the remedy would be the police would be involved. You'll get arrested. So, basically, a protective order is usually good for two years, and it has all the specific things you cannot do. For instance, you can't go by that person's — within 200 feet of them or their residence or their employer. So it has some very specific things. A restraining order is different. It's a standard thing that's given that's a mutual thing where it just says be n...