Data visualization is the graphical representation of information and data. By using visual elements like charts, graphs, and maps, data visualization tools provide an accessible way to see and understand trends, outliers, and patterns in data.
Digital Transformation is the process of transforming a business by replacing non-digital and manual processes with digital technology and processes. It also includes replacing older digital technology with new digital technology.
Liquid Crystal Displays use an amazing array of technologies to display pictures and text. See how they work!
Important background information: Read this post on color space to understand how the RGB color system in LCD displays work.
They aren’t quite liquids or solids, but they’ll definitely be a force for the future. This animated series of short videos acts as a video glossary to defin…
Thermochromic (TC) products change color in response to temperature fluctuations. The most famous TC application ever was the “mood” ring of the 1970s. More
Thermal mapping, or temperature mapping, establishes the temperature distribution, or profile, within the zone being mapped. There are different technologies for producing a thermal map. Perhaps the most recognized way of thermal mapping is through the use of thermal imaging. Thermal imaging is the process of converting infrared (IR) radiation (heat) into visible images that […] More
Velocimetry is the measurement of the velocity of fluids. The fluids can be either liquid or gas. This is a task often taken for granted and involves far more complex processes than one might expect. It is often used to solve fluid dynamics problems, study fluid networks, in industrial and process control applications, as well as in the creation of new kinds of fluid flow sensors. Methods of velocimetry include particle image velocimetry and particle tracking velocimetry, Molecular tagging velocimetry, laser-based interferometry, ultrasonic Doppler methods, Doppler sensors, and new signal processing methodologies.
As an illustration of how velocimetry can be done, let’s take the method of particle image velocimetry (PIV). In PIV, the fluid is seeded with tracer particles which, for sufficiently small particles, are assumed to faithfully follow the flow dynamics. The fluid with entrained particles is illuminated so that particles are visible. The motion of the seeding particles is used to calculate the speed and direction (the velocity field) of the flow being studied.
Here is a brief video explaining Particle Image Velocimetry (PIV): https://www.youtube.com/watch?v=JbuuhpQCWz8
Nondestructive testing (NDT) is the process of inspecting, testing, or evaluating materials, components, or physical systems for unexpected irregularities, without destroying the serviceability of the part or system. In other words, when the inspection or test is completed the part can still be used.
In contrast to NDT, other tests are destructive in nature and are therefore done on a limited number of samples (“lot sampling”), rather than on the materials, components, or systems actually being put into service.
Tethering is the practice of using your smartphone as a hotspot, or wireless network. You can then connect other devices, like your laptop or tablet, to the Internet through your smartphone. To do so, your phone must have mobile data enabled. More
Internet throttling is when your ISP intentionally slows down your internet speed. Providers temporarily do this to regulate network traffic. Throttling usually results in longer response times, slower download speeds, and buffering. The term throttling originated in the context of engines. Throttling an engine means controlling the amount of gasoline flowing into it. More
Edge computing is a cloud computing paradigm where applications are hosted on many servers across multiple geographic locations so that computation can occur at a location that is close to the specific user to improve response times. More
Server Clustering is the configuration of multiple computer servers into a cluster, which is a group of servers that acts like a single system. A server cluster is usually connected to the network through a device called a Load Balancer, which is a single point of access to the cluster. The Load Balancer receives requests from the network and distributes the […] More
In business, streamlining means to make a process more efficient and effective by simplifying tasks, bypassing unnecessary steps, and cutting waste. It is analogous to making water flow in a stream, smooth and with little resistance. More
DevOps is a cultural shift in software organizations where the software Dev-elopment team and Op-erations (infrastructure) team are merged to form a single DevOps team. Traditionally, the development and operations teams worked in silos. The purpose of this combined team is to streamline the process of software development, deployment, monitoring, and maintenance to make the […] More
To summarize, bandwidth is the amount of data that can be transferred per unit of time. Internet bandwidth is currently measured in units of Mbps, or million bits per second.
To firm up your understanding of bandwidth, imagine that on your home network your family streams video on multiple devices at the same time. As you can imagine, each stream of video requires a lot of data per second to keep the videos playing smoothly. If your streaming on more devices than your allotted bandwidth can support, you will start to hit your limit on how much data can be transferred and per second, and some of the devices will start buffering.
In short, overhead refers to the ongoing business expenses not directly attributed to creating a product or service. It includes everything other than parts and labor.
Check the link for a more detailed explanation.
A customer loyalty program is a rewards program that a company offers customers to encourage them to continue to shop with them.
Traditionally, loyalty programs involved the business issuing the customer a loyalty card (variously called a rewards card or advantage card) which was visually similar to a credit card. The customer would swipe this card at every purchase and then get discounts on their current purchase or points toward a future purchase.
More recently, companies have been using mobile online loyalty programs. Instead of swiping a loyalty card at checkout, the customer opens an app and shows a QR code that gets scanned at the register. The scanning process has moved from cards to phones but the rewards part has mostly remained the same.
An SLA is an agreement between a client and a service provider on the level of service that the provider must provide. However, the SLA isn’t usually a separate contract between the client and provider. Let’s say someone needs internet access in their new apartment so they sign a contract with an internet service provider. […] More
Simply put, process control deals with the science of maintaining the output of a specific industrial process within a desired quality range in an automated way.
A process control system typically involves some sort of feedback loop. The outputs of a process are actively monitored and if they are not within the desired quality range, components of the process, like ingredients, the temperature of materials, or the pressure under which materials are held, are then automatically and appropriately adjusted to get more optimal outputs that are within range.
There are two definitions: In general, logistics is the detailed coordination of a complex operation (activity) involving many people, facilities, or supplies. In business, logistics is the commercial activity of transporting goods to customers. It involves things like transportation, inventory, packing, warehousing, etc. More
In software engineering, performance profilers are software development tools designed to analyze the performance of your applications and improve poorly performing sections of code. Profiling is a form of dynamic program analysis that measures performance, including things like: Memory usage Execution time Frequency and duration of function calls Most commonly, profiling is used for program […] More
A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode (or represent) information.
Just like the Roman alphabet (a, b, c, d…) is used differently based on the language (English, French, Spanish, German…), so too are bits (0 and 1) used differently to represent different information based on the file format.
So the byte 10110110 in the file format JPG may represent a color whereas the same byte, 10110110, in a TXT file may represent a letter in a word.
In order for a program to be able to open a file, it must have file format programming in place to convert the bits in the file into information it knows how to use.
What is a color space?
In very basic terms, it’s the spectrum, range, or collection of all the different colors that can be used in an image. It is a useful conceptual tool for understanding the color capabilities of a particular device or digital file.
A well-known color space is RGB. There are 256 shades of red, 256 shades of green, and 256 shades of blue. Any given color in the RGB color space is created by combining exactly one shade of red, one shade of green, and one shade of blue. There are 256 * 256 * 256 different colors in the RGB colorspace, creating a spectrum of 16,777,216 different colors.
This covers the difference between audio files and podcasts, and the distinction between episodes and series.
4K and HDR are display technologies that improve image quality, but not in the same way or as obviously. What’s the difference between the two?
If you’re going to understand online video, you need to understand codecs. Here’s a high-level look at what codecs are, as well as the variety of codecs relevant to streaming media.
Scribd is the world’s largest social reading and publishing site.
Today, Craig Benzine is going to dive into the factors that influence judicial decisions. As you may have noticed, the Supreme Court recently handed down some pretty big decisions on same-sex marriage (in Obergefell v Hodges) and the Affordable Care Act (in King v. Burwell). Now, it’s important to remember that these decisions are not made in a vacuum, but influenced by the other branches of government, political affiliations, and past court decisions. We’re also talk about a judge’s judicial philosophy – that is their relative restraint or activism in making decisions on laws. Judicial restraint is often equated with conservatism, but as we’ll show you, this is not always the case.
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