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How To: 15 iPhone Tips for Busy Users to Maximize Your Productivity

When they first appeared, smartphones came with a promise to make our lives easier and make us more productive so we could have more free time and energy. But now, the average user spends almost 5 ½ hours daily on their smartphone. If that sounds like you, there are ways to use your iPhone more efficiently — without getting sucked into distractions.

How To: Find the Most Accurate Weather Source for Your Area (And See Which Apps Use It)

Not all weather sources are equal. When you're looking at the forecast, you hope that it's at least semi-accurate so you can plan the week and days ahead, but many sources are unreliable. And with the famous Dark Sky API shutting down on March 31, 2023, you'll need an alternative source of weather information if you use an app that utilizes that API.

How To: 11 Best Calculator Apps for iPad to Solve All Your Math Needs

Apple doesn't include its Calculator app on the iPad and never did. One almost appeared over 12 years ago but was nothing more than a blown-up version of the iPhone app. Since then, the company still hasn't made an iPad-optimized calculator, and there is no shortage of third-party alternatives to fill the gap. It may happen one day, but for now, these are the best calculator apps for your iPad.

News: Everything We Know About the iPhone 13 (or iPhone 12S) Lineup for 2021 — Leaks, Rumors & More

The iPhone doesn't stop at last year's excellent iPhone 12 lineup. Apple's been developing its iPhone 13 models for a while now, and there are a lot of rumors already with eight or nine months still to go until a release. This year, we're expecting four new models with similar sizes and features to 2020's offerings. If you want to know what makes the 2021 iPhones so different, we've got answers.

Analyzing the Hacks: The Girl in the Spider's Web Explained

The latest film addition in the American-produced Millennium series, The Girl in the Spider's Web, was just released on Blu-ray a few days ago. As you could expect, the movie has many hacking scenes throughout, just like the previous English and Swedish language movies centered around hacker Lisbeth Salander. Of course, with the quick pace of some scenes, the hacks can be hard to follow.

How To: Set Multiple Timers on Your iPhone to Run Side by Side

Although the Clock app in iOS has undergone some design changes over the years, you still can't set more than one timer on your iPhone. Oddly enough, Apple's own HomePod speaker added this feature, mimicking the timer on Amazon's popular Echo smart speakers. Fortunately, through Apple's Shortcuts app, there's a clever hack to set multiple timers — without using a third-party timer app.

When Uber & Lyft Go Driverless: Why Transportation as a Service Means You Might Never Own a Car Again

The private automobile has been an intrinsic part of our lives for around a hundred years. But over the last decade, car sharing has gained a very small but growing part of the mobility market. The more recent rise of companies like Uber and Lyft is witness to a more dramatic shift in mobility and car ownership. Private vehicle ownership to a transportation-as-a-service model has already started, and high capability SAE Level 4 vehicles will complete this trend.

How To: Calculate ordinary differential equations

MIT Professor Arthur Mattuck gives a lecture on how to calculate with ordinary differential equations (ODEs). He also covers the geometrical view of y'=f(x,y), directional fields, and integral curves. Calculate ordinary differential equations.

How To: Calculate your bike's chain length

If it's time for a new bike chain, you'll need to figure out how to determine how much length your bike will need for the chain. It's pretty easy to determine and can take around five minutes to help figure out what you need. So check out the tutorial, pay attention, and enjoy! Calculate your bike's chain length.

How To: Calculate the Cost of Driving

With gas prices soaring in the US and around the globe, the cost to drive to a vacation destination is becoming a much larger expense item in the overall travel budget. Although it's easy to see that gas prices have risen dramatically in the past several months, it's not nearly as easy to figured out how it will impact that upcoming car trip, so here are the items you need to take into consideration to calculate how much it will cost to drive to a destination.

How To: Ship merchandise bought on eBay

New to eBay? Don't worry, setting up an account and buying and selling doesn't take that much effort at all. Everyone who has an Internet connection has at one point come across eBay, to find the perfect gift for their loved ones, to find the cheapest deals on plasma televisions and computers, or to get rid of their dusty, old record album collection in their web store.

How To: Schedule curtain panels in Revit conditional statement

This Revit Architecture 2009 video tutorial covers how to use conditional statement when scheduling curtain panels. The techniques put forward in this intermediate Revit tutorial are done in an effort to avoid making different families for one curtain system. By using techniques like these, one can manage variable parts within one Revit Family while making it easier ti manage a schedule. This video is part of a series David Fano is working on, in which he hopes to show ways Revit can be used ...

How To: Change percents into fractions

Fractions are numbers written in the form a/b, where a, b are integers. Fractions can also be expressed in the form of percents by multiplying the value of the fraction with hundred. So we can always change percents to fractions and also fractions to percents. Remember that percent means hundredth. So percent means a fraction with a denominator of hundred. When you are given percents and asked to calculate its fraction, divide the percent with hundred. Now this fraction can be further reduced...

How To: Program medication calculation into an IV pump

Studying to be a nurse? Then here a technique you should know how to do. Follow along with this nursing how-to video to learn how to program medication calculations with the Plum IV pump. Watch the demonstration as the Plum pump calculates drip and dosage rate for the IV line. This is an important technique that every nurse should know, as this is an effective method of administering medication to a patient. Practice programming calculations during nursing lab. Program medication calculation ...

How To: Use Indirect Measurement

In this how to you will learn how to measure things indirectly. Indirect measurement is when you calculate something's measurement by measure the shadow. First, all of your measurement have to be taken around the same time. Next, measure your height. After, measure the object's shadow. After put the tip's of your toes on the edge of an object's shadow. Now you just use a proportion to solve what the height is. Here is a link to help you. Indirect Measurement - Math Dictionary.

News: This May Be the Most Meticulous Home-Brewing System Ever Built

You can brew your own beer on the stove, in a keg, or even inside a pumpkin, but those all look boring next to The Wobbly Boot Pico Brewery, the most sophisticated home-brewing system you'll ever see. Built by Ben_B, an engineer at National Instruments, the brewery sits on a steel frame with two incredibly shiny kegs. There's an LCD touch-panel PC, and Ben even made his own app to make it fully automated. The app lets him save recipes and also monitors the temperature of the beer. It keeps tr...

How To: Weigh samples in the lab using a balance

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: Choose fish for a cold water fish tank

This film will show you how to select fish for a cold water temperate aquarium. It will help you decide which types to choose and how many to keep in your tank. The type and number of fish you can keep will depend on the size of your tank. An easy formula for calculating how many fish you can keep is to multiply the length of the tank by the width to get the surface area, and then divide this number by 60. There are several species of cold water fish, also known as temperate fish, which can b...

News: Advanced Cracking Techniques, Part 2: Intelligent Bruteforcing

Following the first part in this series on advanced cracking techniques, we are going to go over how we can intelligently crack passwords using the old-fashioned bruteforce method. These unique cracking techniques aren't widely used, because most crackers are Script Kiddies who have no idea what the concepts are behind cracking passwords, thus, word won't get around too quickly.

News: Solar Flare Gives Earth Biggest Radiation Storm in 7 Years; Auroras Likely

NASA reports that the sun erupted late last night with a large solar flare—an M8.7 class flare. The classification is calculated according to the peak flux of 100 to 800 picometer x-rays near Earth measured from the GEOS weather satellite. There are 5 letter classifications for solar flares, each with a linear 1-9 number scale of severity. M is the fourth most powerful class, with X leading the way. But last night's earth-directed coronal mass ejection (CME), captured by the Solar Dynamics Ob...