The Wall Street Journal
Inside the Global AI Race
Who will own the artificial intelligence era, China or the U.S.? Kai-Fu Lee, Chairman and CEO, Sinovation Ventures; President, Sinovation Ventures Artificial Intelligence Institute predicts the winner.
Flipping Physics
Simple Harmonic Motion - Graphs of Position, Velocity, and Acceleration
Position, velocity, and acceleration as a function of time graphs for an object in simple harmonic motion are shown and demonstrated.
Curated Video
Measuring and Comparing the Speed of Sound in Air and Other Materials
This video provides an introduction to the speed of sound in air and demonstrates several methods to measure or calculate it. It also presents equations to calculate the speed of sound based on the wavelength and frequency of a sound...
Flipping Physics
What is Sound?
From a tuning fork, to a speaker in slow motion, this is a close look at what sound is. Both linear and spherical wave fronts are animated. The human audible range is demonstrated.
Flipping Physics
Simple Harmonic Motion - Graphs of Mechanical Energies
Kinetic energy and elastic potential energy as functions of time graphs for a horizontal mass-spring system in simple harmonic motion are demonstrated. Conservation of energy is shown.
Curated Video
Understanding Refraction and Ray Diagrams
The video is a lecture on refraction and ray diagrams. It explains how ray diagrams can be used to describe the refraction of waves at the boundary between two different media, such as air and glass. The video covers concepts such as the...
Curated Video
Wave Behavior at Boundaries
The video discusses the different ways in which waves behave when they encounter a boundary between two materials. The behavior can either be reflection, absorption, or transmission or a combination of the three. The video also explains...
Flipping Physics
Stringed Instrument Frequencies
The equation for the harmonic frequencies of stringed instruments is derived. Harmonic numbers and fundamental frequency are defined. A guitar is used to demonstrate harmonic numbers.
Curated Video
Understanding Wavelength and Amplitude in Waves
The video is a lecture that explains the two features of a wave, namely wavelength and amplitude. It starts with a demonstration of a transverse wave and illustrates how the wave propagates while oscillating. The peaks and troughs of the...
Curated Video
Differences between Direct and Alternating Potential Difference
This is a lecture video on the differences between direct and alternating potential difference. The video defines and explains the two types of current and provides examples of each. It also includes graphs that demonstrate how potential...
Visual Learning Systems
What Is Sound?: Frequency and Pitch
The video explains the concept of frequency and pitch in sounds. The video gives examples of different sounds with varying frequencies and explains how they are perceived as high or low pitch.
Next Animation Studio
Flashes of light show how plants signal distress
Researchers have found the plants communicate distress by using their own signaling system.
Curated Video
The Power of Bluetooth: Connecting the Wireless World
This video provides a brief overview of Bluetooth technology and its applications. It explains how Bluetooth uses radio waves to send and receive signals in short distances, making it ideal for wireless connections between devices such...
Curated Video
Using Orders of Magnitude in Physics Calculations
The video is a lecture presentation on the use of orders of magnitude in physics. It defines orders of magnitude as comparing numbers or values in terms of powers of 10 and explains how to use decimal prefixes for expressing very small...
msvgo
Displacement Relation in a Progressive Wave
This nugget explains the parameters and mathematical derivations of a progressive wave, like amplitude, wavelength, frequency, phase, etc.
Flipping Physics
Longitudinal Standing Waves Demonstration
Standing longitudinal waves are demonstrated and compared to an animation to help with understanding what the heck is going on.
Professor Dave Explains
Quantization of Energy Part 2: Photons, Electrons, and Wave-Particle Duality
So Max Planck kicked things off, but how does the story of modern physics continue? With none other than your favorite scientist and mine, Albert Einstein! He did more than just stick his tongue out and have crazy hair. He elucidated the...
Physics Girl
Singing plates - Standing Waves on Chladni plates
Use physics to create cool patterns on a vibrating plate. How is this like a guitar string or a singing wine glass?
Curated Video
Transformations of Sinusoidal Functions
In this video, students learn about the transformations of sinusoidal functions by shifting their graphs horizontally and vertically. They explore how changing the values of K and H in the equations of sine and cosine functions affect...
Flipping Physics
How Is This Standing Wave Possible?
When standing waves are allowed at 15, 30, and 45 hertz on a string, then we should not see a standing wave pattern at 22 hertz. Yet, we do in this demonstration. This explains why.
DoodleScience
Transverse and Longitudinal Waves _ GCSE Physics
Waves are vibrations that transfer energy from place to place without matter being transferred. Think of a Mexican wave in a football crowd: the wave moves around the stadium, while each spectator stays in their seat only moving up then...
Flipping Physics
Standing Waves Introduction
Reflection with and without inversion caused by fixed and free ends are demonstrated. Standing wave patterns at 5 different frequencies are demonstrated. A standing wave animation is shown to understand to how standing wave patterns are...
Curated Video
Properties of Waves and Calculating Wave Speed
This video discusses the properties that all waves have in common, including amplitude and wavelength. It also demonstrates how to calculate the speed of a wave using the equation v = Fλ, where v is the wave speed, F is the frequency in...
Curated Video
It's a Seashell Day
The sun is shining, the waves are rolling in, the sandy beach is calling. It’s the perfect day for finding and collecting seashells! Join in the hunt, as a little boy and his mother share a fun day of digging in the sand and exploring...