5G is the fifth generation of wireless technology. Let’s start from the beginning though with a little history from Verizon: 1G – The dawn of the first analog cell phones 2G – Texting and voicemail capabilities added to mobile handsets 3G – Higher data transfer rates bring modern smartphones into the world. High speed enables mobile web browsing, image […] More
Software design is the process of preparing the plan for the development of a software application while satisfying a problem’s functional requirements and not violating its non-functional constraints. During this process, tradeoffs need to be made, like the tradeoff between performance and resource consumption, so that the application is optimized to meet the non-functional requirements. […] More
A cellular pathway is a series of actions among molecules in a cell that leads to a certain product or a change in the cell. It can trigger the construction of new molecules, such as a fat or protein, turn genes on and off, or cause a cell to move. More
From top to bottom: ecosystems organisms organs tissues cells organelles molecules atoms More
Understanding biology is one of reverse engineering. You have a complex system and you need to understand how it works. It’s like having a laptop and trying to figure out how it works. You press the keyboard and different key combinations to see what it does. More
What are models? Physical systems represented in math form A commitment of certain understanding Approximation of parts of reality Abstractions Mathematical equations Can be a computer program Characterized by Variables (the things that change) Parameters (the things that don’t change) Functional forms (the relationship that connects the two) How you model a system is completely […] More
Supply chain management includes all the processes that transform raw materials into final products. The raw materials are usually sourced from a number of different locations and then transported to a central manufacturing facility that creates the products. The finished products are then shipped to the point of sale/consumption.
The objective of supply chain management is to streamline a business’s supply-side activities to minimize production costs and maximize customer value to gain a competitive advantage in the marketplace.
RETRIEVAL PRACTICE Reviewing what you’ve learned from memory, e.g., through recall, is more effective at instilling lasting ability than re-reading or reviewing notes. Using your memory to retrieve facts, concepts, events, or other ideas strengthens your ability to do so in the future, and “resets” the natural forgetting mechanism. ELABORATION Elaborating on material you have […] More
Mark to market is an accounting method that values an asset at its current market value, instead of how much you purchased it for. It shows how much you would receive if you sold the asset today. More
Energy is the ability to do work or cause a change. Work is done when you apply energy to an object and move it a certain distance. There are different forms of energy: Potential – energy due to position or structure: Gravitational Electrical Chemical energy – potential energy in chemical bonds Kinetic – the energy […] More
As an easy way to fit the idea of solar panels in your mind, consider that we would need enough solar panels to cover every single road in America to fully power our electrical grid. More
A tech stack, or solutions stack, is a list of all the technology products and tools used to build and run a particular application. It is the underlying elements of a web or mobile application. These include frameworks, languages, and software products that everything else is built on. For example, you might have created a […] More
A server is a computer program that quietly listens in on a port and waits for requests to come in, typically HTTP requests. The program then fetches the requested file, processes it, and sends it back to the client. More
A full stack web developer is a person who can develop both client-side and server-side software. Client-side technologies: Browser: HTML, CSS, JavaScript, JQuery Server-side technologies: Languages: PHP, ASP, Java, Python, Node.js Servers: Apache, Nginx, JBoss Databases: Oracle, MySQL, Postgres, MongoDB More
A unit of measurement is a specific magnitude of a quantity, defined and adopted by convention, that is used as a standard for measuring the same kind of quantity. Any other quantity of that kind can be expressed as a multiple of the unit of measurement. There are a few different systems of measurements used […] More
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations about how the universe works. More
Peppermint is a hybrid mint, a cross between watermint and spearmint plants. Originally found in Europe, the plant is now widely spread and cultivated in many regions of the world. More
In simple terms, risk is the possibility of something bad happening. Risk involves uncertainty about the effects/implications of an activity, often focusing on negative, undesirable consequences. An actuary is a business professional who deals with the measurement and management of risk and uncertainty. The name of the corresponding field is actuarial science. More
In mathematics, a conjecture is something that is assumed to be fact but has not been proven yet. More
One use of Trig is to calculate the height of tall objects, such as a tree or flagpole. You may wonder how tall the object is but have no way to reach the top to measure the height. Instead, you can use trigonometry to calculate the height: Stand some distance away from the object and […] More
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A religion is an organized belief system — which usually involves the revering of god(s) or supernatural beings — which tries to make sense of the cause, attributes, and purpose of existence. Religion can enable people to find direction, success, and meaning in their lives. There are around 4,300 religions in the world today. The […] More
Religion is a predefined belief system, including god(s), rituals, scripture, and beliefs. Spirituality is like “open-source religion”. What does open-source mean? Open-source typically denotes software that is made freely available and may be redistributed and modified. Similarly, a spiritual person usually takes bits and pieces from one or more religions and edits them into their […] More
Think about it like this. Software in general is just instructions that tell a computer what to do. A processor, the computational engine of a computer, only understands a limited set of instructions. These few instructions are combined to create a series of instructions that can perform more complex computations. Software may be written in […] More
Derivative How one thing changes based on a change in another thing. For example, acceleration is the derivative of velocity. How the velocity changes with respect to time is acceleration. Integral Summing up the values of a dependent variable over a range of an independent variable. Example Assume that 10 grams of water flows out […] More
Permutations The number of permutations is how many different ways can you arrange things. Let’s take two dice as an example: dice 1 (D1) and dice 2 (D2). There are 36 permutations, or ways you can arrange the dice: D1: 1, D2: 1 D1: 1, D2: 2 D1: 1, D2: 3 D1: 1, D2: 4 […] More
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