A custom-built Arduino Uno musical instrument (on a breadboard) that can be played by waving a hand over a respective ultrasonic (HC-SR04) sensor. Each ultrasonic sensor plays its own musical tone via. passive buzzer, and an LED lights...

In this video, I explain and demonstrate a stretch of the suboccipital muscle group.

This video could also be called "Finding the Force of Friction between a Dynamics Cart and Track” because we use Newton’s Second Law to analyze a demonstration and show how negligible the force of friction really is.

In this video, we explore gait patterns used in the neurological population that can be done with bilateral assistive devices including axillary crutches, straight canes, forearm and Lofstrand crutches (axillary crutches on demonstration...

In this video, I explain and demonstrate the navicular drop test, a special test used in the assessment of excessive subtalar pronation.

In this video, I introduce some important terminology used when discussing mobilizations and manipulations. [1] Cavitations [2] 2nd MCP, Pisiform, Hypothenar [3] Articular pillar

In this video, I explain and demonstrate the test for Homan’s sign, a controversial special test used in the assessment of deep vein thromboses (DVTs).

The application of Newton’s Second Law is when you really understand what the net force equals mass times acceleration where both force and acceleration are vectors really means. Therefore, we introduce Newton’s Second Law and then do...

Python 3.10's new explicit type aliasing feature makes it easier to hint types that haven't even been declared yet, such as for methods in classes. Learn how to use them in this demonstration, along with some ideas for their use cases.

In this video, I explain the Ottawa Ankle and Foot Rules, a set of criteria that help determine whether or not radiography is necessary prior to beginning physical therapy treatment of the ankle and foot.

In this video, I explain and demonstrate the cervical flexion rotation test, which is used to determine the amount of atlantoaxial (AA) rotation. I also review Freyette's third law and how it pertains to this special test.

As part of the first demonstration of laser communication with a satellite at the moon, scientists with NASA's Lunar Reconnaissance Orbiter (LRO) beamed an image of the Mona Lisa to the spacecraft from Earth.



The iconic...

Angular momentum is used to determine the acceleration of a pulley mass system. two alternate solutions are shown, and the acceleration is demonstrated. This is an AP Physics C: Mechanics topic.
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A 5.3 g dart moving horizontally at 16.9 m/s collides with and sticks to a stationary Rotational Inertia Demonstrator a distance of 31.7 cm from the axis of rotation of the RID. What is the final angular velocity of the RID?

A 66 g beanbag is dropped and stops upon impact with the ground. If the impulse measured during the collision is 0.33 N·s, from what height above the ground was the beanbag dropped?

In this video, we will cover resource group: demo - lab activity.
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This clip is from the chapter "Azure Administration" of the series "AZ-104: Microsoft Azure Administrator Full Course".This section introduces PowerShell and...

In this video, we will cover Azure replication strategy-lab.
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This clip is from the chapter "Azure 104 Certification - 2021 Updates" of the series "AZ-104: Microsoft Azure Administrator Full Course".In this section, we will...

Mr.p rides a bike and drives a car to help you learn about Kinetic Energy.

Laser light made records obsolete. NASA is on the verge of doing the same thing with space based communications. Before the end of the decade, the Laser Communication Relay Demonstration (LCRD) mission will revolutionize the way we...

A quick demonstration of a smartphone connected to an Arduino-connected LED via. Blynk IoT (aka Blynk 2.0) and the ESP8266 ESP-01 WiFi module. Easily turn an LED on and off via. 'Blynk IoT' app.

Now mr.p doesn’t bend his knees when stepping off a wall. What is the new force of impact?

In this video, I explain and demonstrate the Shoulder ABDuction Test, a special test used in the assessment and differentiation of cervical radiculopathies and thoracic outlet syndrome (TOS). More specifically, we cover the test...

Several demonstrations of #AngularMomentumConservation are shown using a rotating stool. The equations is also derived using Newton’s Second Law. Conservation of the direction of angular momentum is also demonstrated.

Demonstration of a limited edition Arduino Uno Mini microcontroller. It plays a 'Jingle Bells' rendition with 3 LEDs and a passive buzzer on a small breadboard.