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  • Video 
    天球概念與太陽視運動軌跡

    天球概念與太陽視運動軌跡

    This video explain the concept of Celestial coordinate system.

    Course related:
    LSGI2224 Geo-Referencing System
    Subjects:
    Cosmology and Astronomy
    Keywords:
    Celestial mechanics Orbital mechanics
    Resource Type:
    Video
     
  • Video 
    Machine Learning: Linear Regression based on Least Squares

    Machine Learning: Linear Regression based on Least Squares

    An example of using least squares to do data fitting. In this example, we demonstrate how to 1) fit a straight line using ordinary least-squares method, and 2) estimate value of a new input based on the fitted line.

    Course related:
    LSGI3242A Digital Terrain Modelling
    Subjects:
    Computing and Mathematics and Statistics
    Keywords:
    Least squares Regression analysis
    Resource Type:
    Video
     
  • Video 
    The Skeletal System

    The Skeletal System

    Now that we know more about the structure of bones, we are ready to see how they all come together to form the skeletal system. An adult has 206 bones. What are they? How are they organized? What do they do? Let's go through all of these bones right now!

    Course related:
    HSS2011 Human Anatomy
    Subjects:
    Health Sciences
    Keywords:
    Human skeleton Bones
    Resource Type:
    Video
     
  • Video 
    How to study for exams - Evidence-based revision tips

    How to study for exams - Evidence-based revision tips

    Today we're learning how to study for exams with scientifically-proven techniques. We start by talking about why rereading, highlighting and summarising are pretty inefficient, and then talk about the evidence behind Active Recall as the most efficient revision technique. We end with a few suggestions as to how to incorporate Active Recall into your study routine.

    Keywords:
    Study skills
    Resource Type:
    Video
     
  • Video 
    Control System

    Control System

    Tutorials Point originated from the idea that there exists a class of readers who respond better to online content and prefer to learn new skills at their own pace from the comforts of their drawing rooms. We bring simple to understand Text and Video tutorials at zero cost and cover many subjects including IT, Engineering, MBA, MCA, Management, Various Exams Preparation and Academic subjects. In this video playlist, it covers the topic of control system, types of feed back, functions of system, mathematical model of control system, mechanical system, force voltage analogy, torque current analogy, block diagram elements, and signal flow graph, etc.

    Course related:
    EE3005A Systems and Control
    Subjects:
    Electrical Engineering
    Keywords:
    Control theory Automatic control
    Resource Type:
    Video
     
  • Video 
    Using HTC Vive Tutorial: How To Setup VR, Hand, Teleportation and Grabbing Object

    Using HTC Vive Tutorial: How To Setup VR, Hand, Teleportation and Grabbing Object

    A Virtual Reality introduction for Unity using HTC Vive for beginers. We will implement hand presence, teleportation and object grabbing in only 7 minutes without any line of code.

    Subjects:
    Interactive and Digital Media and Computing
    Keywords:
    Unity (Electronic resource) Computer simulation Virtual reality Human-computer interaction
    Resource Type:
    Video
     
  • Video 
    What is Prestressed Concrete?

    What is Prestressed Concrete?

    Sometimes conventional reinforcement isn't enough. The basics of prestressed concrete. Prestressing reinforcement doesn't necessarily make concrete stronger. But, it does increase the serviceability of concrete members by reducing the amount of deflection under load. This video explains the two most common types of prestressed concrete: pre-tensioned and post-tensioned. Prestressed concrete is used in all kinds of structures from bridges to buildings to silos and tanks. It’s a great way to minimize cracking and take fuller advantage of the incredible strength of reinforced concrete.

    Subjects:
    Building and Real Estate
    Keywords:
    Prestressed concrete Reinforced concrete
    Resource Type:
    Video
     
  • Video 
    How Water Towers Work

    How Water Towers Work

    This video discusses the purpose and function of elevated water storage tanks. The job of finding enough water, making it safe to use, and then reliably distributing it to the system customers with almost no downtime is a monumental task that requires a lot of infrastructure. And, probably the most visible component of a public water system is the elevated storage tank, also known as a water tower.

    Subjects:
    Building Services Engineering
    Keywords:
    Tanks Water towers Water-supply
    Resource Type:
    Video
     
  • Video 
    How to Collapse a Pipe by Closing a Valve

    How to Collapse a Pipe by Closing a Valve

    Water hammer can work in both directions, and I only discussed one of those in the previous video (https://youtu.be/xoLmVFAFjn4). This episode revisits that demonstration to show how water hammer can form a vacuum pressure in a pipe. Momentum carrying fluid away from a valve wants to keep going even after the valve is closed. This generates a negative pressure than can cause major damage!

    Subjects:
    Building Services Engineering
    Keywords:
    Valves Water hammer Hydraulic control Hydraulic transients Relief valves Fluid mechanics
    Resource Type:
    Video
     
  • Video 
    Why Bridges Move...

    Why Bridges Move...

    This video explains why ridges move, and other musings on thermal movement of large civil works. Most people have a certain intuition about thermal expansion, but you may not have considered how engineers design to accommodate it on large civil structures. The video gives a quick overview on this important consideration that engineers must account for when designing infrastructure like pipelines, bridges, and even sidewalks.

    Subjects:
    Structural Engineering
    Keywords:
    Structural analysis (Engineering) Expansion (Heat)
    Resource Type:
    Video