Curated Video
Wavelength
The distance between corresponding points on two successive waves, and therefore the length of a complete cycle of a wave. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Kilohertz
A unit for measuring frequency, equal to one thousand hertz or cycles per second. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Infrasound - Low-Frequency Sound
Sound at frequencies below 20 Hertz, the lower limit of normal human hearing. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Spectrum
A continuous range of frequencies of electromagnetic radiation, such as that produced when white light is refracted through a prism. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Musical Instruments
Different instruments can produce a wide variety of different sounds and notes, but why is this? Revealing how scientific principles combine to make music. Physics - Waves - Learning Points. Musical instruments are designed based on the...
Curated Video
Submarine Communication
We have sent messages around the world and into space, but communicating underwater remains a challenge. How and why do radio waves allow us to talk to submarines? Physics - Waves - Learning Points. Salt water absorbs sound waves making...
Curated Video
Echolocation: Dolphins
Dolphins use of sound as a navigational tool is essential to their survival. Discover how they produce these sounds and use them to learn about their environment. Physics - Waves - Learning Points. Dolphins, like most marine species, use...
Curated Video
Hi-Fi Engineering
A demonstration of how hi-fi speakers use a clever combination of electronics and magnetism to convert electrical impulses into sound waves, which our brain then interprets as music. Physics - Electricity And Circuits - Learning Points....
Wonderscape
Understanding How We Perceive Sound
Delve into the fascinating process of hearing and how our ears transform sound waves into signals for our brains to interpret. Learn about the intricate anatomy of the ear and how it enables us to experience the richness of sound. Sound...
Curated Video
The Melody of Accents: Exploring Regional Speech Variations in France
Uncover the intriguing nuances of regional French accents with Aurelie from Alsace and Stéphane from Toulouse as they demonstrate the distinctive sounds of their speech. Delve into the origins of these accents, their characteristics, and...
Curated Video
Data Science - Time Series Forecasting with Facebook Prophet in Python - Time Series Basics Section Introduction
In this video, we will get introduced to time series and understand some basics. This clip is from the chapter "Time Series Basics" of the series "Data Science - Time Series Forecasting with Facebook Prophet in Python".In this section,...
Curated Video
GCSE Physics - Sound Waves and Hearing #73
This video covers: - How sound waves travel through materials - The idea that sound waves are longitudinal - How wavelength changes with speed - The structure of the human ear and how it works - How the range of human hearing changes...
Curated Video
The Importance of Irrationality
Princeton University physicist Paul Steinhardt reveals how irrational ratios of two repeating patterns produces intriguing and unexpected effects.
Curated Video
Citizen SETI
Astronomer Jill Tarter, Director of the Search for Extraterrestrial Intelligence Institute, describes some of the Citizen Science projects that SETI is running to get the general public involved in analyzing large data sets.
Curated Video
Importance of Radio
Importance of Radio examines the technology behind the common radio and breaks down the different types of wireless transmissions that modern radios use.
Zach Star
AI Observes Exoplanet, Space Probe That Will Almost Touch the Sun, and more - Today In Engineering 4
This episode of today in engineering covers 1. New Exoplanet Found Through AI 2. New Robotic Hand 3. Method to See Through Walls 4. Parker Solar Probe
Physics Girl
Can you guess this note? Perfect Pitch and Physics
What is perfect pitch, or absolute pitch? Can it be learned? How does timbre, or the type of instrument affect perfect pitch? Physics explains!
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...
Physics Girl
Can you call a cell phone in the microwave?
Do cell phones placed in a microwave still receive signals? What is the difference between microwave oven radiation and the signals used by your phone?
Amor Sciendi
Canon A2 Per Tonos: The Physics of Sound
We try to understand how great musicians like Bach can play with the way sound works to create something of profound beauty. Please listen to the full Canon here: http://www.youtube.com/watch?v=A41CITk85jk
National Institute of Standards and Technology
Making a Mini Laser Frequency Comb in Minutes
NIST physicist Scott Papp describes NIST's process for making a miniature laser frequency comb in minutes. The process involves machining a piece of quartz to produce a small, smooth disk within which light can circulate.
Curated Video
Do Microwaves Interfere With WiFi Signals?
Yes. Microwaves and radio waves are physically the same, i.e. both are forms of electromagnetic radiation. Some microwave rays can leak out and interfere with WiFi signals. We are basically constantly surrounded by electromagnetic...
Curated Video
CompTIA Security+ Certification SY0-601: The Total Course - Connecting to Dedicated and Mobile Systems
There are many modern wireless communication standards. This episode discussed the Global Positioning System (GPS), 4G and 5G cellular, Wi-Fi Direct, and mobile device tethering. This clip is from the chapter "Securing Dedicated Systems"...