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.
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