Wonderscape
Exploring Sound: Understanding its Nature and Transmission
Dive into the world of sound and learn about its properties, production, and transmission. Discover how vibrations create sound waves and how they travel through different mediums. Sound part 1
Curated Video
Pitch and Volume
Dr. Forrester explains the qualities of sound, pitch and volume, and how sound is created through vibrations.
Curated Video
Can You Hear Me Now?
Dr. Forrester explains how sound behaves through different mediums.
Curated Video
Exploring the Benefits of Vibration Training: Rhythmic Neuromuscular Stimulation in Fitness
This video explores the concept of vibration training using machines that transfer vibrations to muscles, known as rhythmic neuromuscular stimulation (RNS). Dating back to the 1960s, this method claims to improve body tone and athletic...
Science Buddies
How to Use a Vibration Motor with Arduino (Lesson #25)
Learn to use a vibration motor with an Arduino in this tutorial.
Curated Video
Exploring Vibrations and Waves
This video breaks down the complex mechanics of sound and how sound travels. Students learn about vibration and sound waves, and even get to test their own instruments!
Curated Video
Catching a Sound Wave
The video “Catching a Sound Wave'' gives a general overview of how sound waves travel, with a focus on the phenomenon of echoes and how they are used in nature and science.
Curated Video
Clock Spider: What Is The The Legend Surrounding This Giant Spider Species?
Huntsman spider also called clock spider belongs to the family of Sparassidae. The Sparassidae family of spiders have eight forward facing eyes giving them an enigmatic look. What makes huntsman spider different from ordinary spiders is...
Virtually Passed
2DOF Spring Mass System Proof
This is an alternate proof for finding the natural frequencies and natural modes for a 2 DOF system. This method can always be used, but it's easier to involve matrices for larger degrees of freedom. The equation of motion can be...
Virtually Passed
Mathematics of Vibration [Part 2: Harmonic Excitation]
Here I describe the main formulas used for harmonic excitation. #SoME1 ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ TIME STAMPS 0:00 - Introduction 0:27 - Experiment Results 0:51 - Forced Vibration SMD model 2:04 - Time domain plot 2:54 - Amplitude...
Virtually Passed
2 Degree of Freedom vibrating system Summary
Two blocks oscillating via springs is a 2 DOF system. The final solution will have the form of a a modal vector times cos(w1t - phi1) + another modal vector times cos(w2t -phi2). The system is hence said to be oscillating at two natural...
Virtually Passed
Force excitation equation of motion proof
Here I derive part of the equation of motion for a spring mass damper system experiencing a sinusoidaly varying force. This is only the particular solution - Ie, the steady state solution. The total solution is x(t) = x_p + x_h where x_h...
Virtually Passed
Vibrating String Summary
Many vibrating systems oscillate according to the wave equation. A string fixed at both ends is just one example. In general, a vibrating string will consist of an infinite number of natural frequencies and an infinite number of...
The Noted Anatomist
Cranial Nerves - Overview
The following tutorial provides a brief overview of the 12 pairs of cranial nerves
Visual Learning Systems
Exploring Sound: What Is Sound?
Almost every second of the day you are surrounded by sounds. Through easy-to-understand examples, this program helps students grasp how sounds are formed andhow sound travels. Special attention is given to the different characteristics...
NASA
Small Steps, Giant Leaps: Episode 25, NASA Technology Transfer Small Steps, Giant Leaps
NASA Technology Transfer Program Executive Dan Lockney discusses the transfer of innovative space and aeronautics technologies for practical, terrestrial applications.
Curated Video
The History and Function of Microphones
Microphones are essential for capturing and transmitting sound, allowing for communication in various forms of media and entertainment. Dynamic microphones are durable and suitable for live applications, while condenser microphones are...
NASA
Houston We Have a Podcast: Human vs. Machine
Dr. Tina Holden, Human Factors Technical Fellow with Leidos, talks about the challenges that astronauts may face when interacting with computers. Holden discusses some of the research that has been done on the space station to...
Mazz Media
Larynx
In this live-action program viewers will learn that the larynx is an organ in the neck. It is crucial for speech and breathing. Students will come to understand the larynx controls airflow during breathing, protects the airway during...
Virtually Passed
Spring Mass system Proof
A mass that is connected to a spring will undergo simple harmonic motion. This means it's Equation of Motion is x = A sin (w_n t + phi_1) where w_n = (k/m)^1/2 Note that w_n is the frequency of oscillation (rad/s) when there is NO...
Next Animation Studio
How bees ‘scream’ when giant murder hornets attack
Scientists have found that bees can scream a specific warning in bee language when giant murder hornets attack their nest to wipe them out.
Catalyst University
RPAs EXPLAINED [Part 3] | Step & Suspensory Strategies
In this video, we explore the requirements and patterns for step and suspensory strategies, two commonly taught reactive postural adjustments (RPAs).