Variable Rate Search Results

News: Top 5 Extraordinary Types of Stars!

There is many different types of stars in the universe. Majority of them are red dwarf stars. However, there are plenty of stars like ordinary stars (like our sun), red giants, blue stars and etc. Furthermore, when you look in the night sky, we see a lot of small and bright stars. What people don't know is that there are stars that are not even completely understood by astronomers and scientists.

How To: A Hacker's Guide to Programming Microcontrollers

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. In this guide, we'll build an Arduino program from scratch and explain the code structure in a way anyone can understand.

News: What the Irregular Heart Rhythm Notification Means on Your Apple Watch

Waking up your Apple Watch to see "your heart has shown signs of an irregular rhythm suggestive of atrial fibrillation" might come as a shock. While your watch can send you warnings if it detects a fast or low heart rate, those messages are pretty vague, while the abnormal arrhythmia alert can downright scary. So what should you do if you receive one of these AFib notifications?

How to Train Your Python: Part 4, Basic User Input

In the last iteration of how to train your python, we covered basic string manipulation and how we can use it to better evaluate user input. So, today we'll be covering how to take user input. User input is very important to scripting. How can we do what the user says if we can't tell what the user wants? There are multiple ways to take input, we can give the user a prompt and take input from them directly, or we could use flags/switches, and take their input before the script is even execute...

Hack Like a Pro: Linux Basics for the Aspiring Hacker, Part 22 (Samba)

Welcome back, my aspiring hackers! Those of you who use Windows in a LAN environment understand that Windows machines can share directories, files, printers, etc. using "shares." This protocol dates back to the 1980s when the then dominant computer firm, IBM, developed a way for computers to communicate over the LAN by just using computer names rather than MAC or IP addresses.

How To: Calculate Commission Based on Varying Rates in 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 673rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUMPRODUCT formula to calculate commission amounts based on varying commission rates based on cumulative sales totals for each month.

How To: Use a light meter to properly light a digital film

A light meter can prove to be an invaluable tool on any film set, allowing you to quickly and efficiently set lights and know the correct exposure values of those lights. Light meters were initially designed for still photographers and cinematographers can easily calibrate them to a given film stock speed for shooting film. But what about today’s digital cinematographer? I’m glad you asked. In this video tutorial you'll see how you can use a light meter to quickly and efficiently light a scen...

How To: Simplify rates and ratios with simple arithmetic

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to simplify a rate or ration using simple math.

How To: Calculate unit rates with basic arithmeitc

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to find a unit rate.

How To: Figure out a golf handicap

So, you've started playing golf, and you've started getting competitive... Figure out a golf handicap with help from this free video from expert golf site, Golf Link. A golfer's handicap is determined by two factors, which are the course rating and the slope of the golf course. Subtract the course rating from a golf score, multiply by 113 and divide by the slope, and finally multiply by .96 to find a handicap.

How To: Detect estrus in female beef cattle

Dr. Allen Bridges details methods for detection of estrus in beef cattle, part of an efficient breeding program. Poor estrus detection results in poor pregnancy rates. Learn how to maximize pregnancy rates and increase the health of female beef cattle by watching this video tutorial.

How To: Test your system performance in Windows 7

In this video tutorial, viewers learn how to test their system performance. Begin by clicking on the Start menu and select Control Panel. Then click on System and Security, and select "Check the Windows Experience Index" under System. Now click on "Rate this computer". The system will then begin to run some tests. This will take about 1-2 minutes. The Windows Experience Index assesses key system components on a scale of 1.0 to 7.9. This video will benefit those viewers who use a Windows 7 com...

How To: Create real tilt-shift effects in Final Cut Studio

In this video tutorial, viewers learn how to create a tilt shift effect with Adobe Final Cut Studio. Begin by changing the video's speed to 300% and disable the Frame Blending. Now click on Effects, go to Video Filters, press on Time and select Strobe. Change the Strobe rate to 7-15 fps. Now switch to Motion and Duplicate the group. Then create a simple mask in the upper group and apply defocus to the lower group. Under Mask, increase the Feather rate up to 100%. Now add another mask around t...

How To: Rate & Review an Apple Podcast Series or Show for Others to View

Ratings and reviews apply everywhere, from a restaurant you want to try to a new camera you're thinking of buying and games you might want to play. Podcasts are no different. Reading reviews of shows can help determine which are worth listening to, and your opinion is valuable to other people too. In Apple Podcasts, there are a few different ways to read, rate, and review shows.

How To: Create Packets from Scratch with Scapy for Scanning & DoSing

By using almost any packet-crafting tool, a hacker can perform denial-of-service (DoS) attacks. With the power to create just about any packet with any characteristics, a hacker can easily find one that will take down a host or network. Nmap and Hping are effective packet manipulation tools, but there's also Scapy, which is almost infinitely customizable.

News: How Razer Used IGZO Display Tech to Achieve 120 Hz Refresh Rates

With their first attempt at the mobile market, Razer introduced a device that looks at the smartphone differently. Instead of focusing on minimal bezels or an amazing camera, Razer decided to make a phone for gamers. So how could Razer target the growing mobile gaming market, which is projected to generate $40.6 billion in global revenue in 2017? It starts with the IGZO LCD Display.

How To: Give Songs Star Ratings on Your iPhone

Back in iOS 8.4, Apple introduce a new "heart" icon in their Music app, which works in direct correlation with their Apple Music service that was released at the same time. By hearting a song, you're telling Apple that you love that song, and they can make better suggestions for you (in the "For You'" tab) based on it.

How To: Conduct a closed suction procedure

In this tutorial, Sarah Sheppard teaches us how to conduct a closed suction procedure. First, wash your hands, apply gloves, and identify yourself to the patient. Now, you will do vital signs such as, heart rate, respiratory rate, and lung sounds. After this, check the suction pressure and it should be around 80 to 120. Now, perform the rest of the closed suction procedure by inserting your standing needle and turning it off, then turning on the 02 sensor. This will give your patient two minu...

How To: Solve markup & markdown math problems in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 32nd installment in his "Excel Business Math" series of free video lessons, you'll learn how to solve simple markup (mark-up) & markdown (mark-down) business math problems.