Virtually Passed
Springs don't include force due to gravity proof
Ever wonder why the force due to gravity doesn't show up on the final equation of motion? It's NOT because we neglect the mass of the block, it's because of the static deflection term.
Catalyst University
Protein Purification Table Calculations: With Numbers
Protein Purification Table Calculations: With Numbers
Catalyst University
Choline Acetyltransferase: Physiology, Biochemistry, and Organic Mechanism
Choline Acetyltransferase: Physiology, Biochemistry, and Organic Mechanism
ProEdify
Understanding the Delta Symbol: A Guide to Units of Measure
The video introduces the delta symbol as a shorthand for measuring the change in a unit of measure, such as time. Through a practical example of baking cookies, viewers learn how to apply the delta symbol to calculate the change in time...
Curated Video
Introduction to Notation and Derivatives
The video discusses the different notations used to calculate the gradient of a function or the instantaneous rate of change of a function. The presenter first summarizes the previous lecture on the function, FX, and how it relates to...
TMW Media
Physics Power: Solving a problem, Part 1
Given certain parameters, how would you solve the first part of this problem? Physics Power, Part 2
Next Animation Studio
CDC says vaccinated people can spread delta
Vaccinated people who become infected can spread the delta variant, according to the U.S. Centers for Disease Control and Prevention.
Catalyst University
Biosignaling - Notch Delta Signaling Pathway
Biosignaling - Notch Delta Signaling Pathway
Professor Dave Explains
Special Relativity Part 2: Time Dilation and the Twin Paradox
We got our feet wet with special relativity, so now let's head to the deep end! Remember in Interstellar when what's his face went down to that one planet and Good Will Hunting was there and they fought and when what's his face went back...
Rachel's English
Learn the Phonetic Alphabet
Alpha, bravo, Charlie: each letter of the alphabet has a target word to increase understandability in spelling. Learn the target words in the NATO phonetic alphabet to make spelling out names, address, confirmation numbers, and more much...
Easy Languages
How to Write in Greek | Super Easy Greek 33
How to Write in Greek | Super Easy Greek 33 Easy Greek is a project to help you learn Greek in an authentic and fun way. We interview people in the streets of Athens and other places in Greece. All our videos have subtitles in Greek and...
Weatherthings
Hurricane Laura and Hurricane Delta
Louisiana was struck by two hurricanes within six weeks in 2020. Hurricane Laura was a powerful Category 4. Hurricane Delta was a Category 2. The two hurricanes made landfall in almost the same location. Combined, they took dozens of...
Primer
Simulating Competition and Logistic Growth
When resources are limited, how do populations grow (or not)?
Next Animation Studio
Lambda COVID-19 variant spreads fast through South America, but vaccines effective against it
Concerns over the transmissibility and danger posed by the lambda COVID-19 variant are
Flipping Physics
Centripetal Acceleration Derivation
We derive both the direction and the equation for centripetal acceleration. Want Lecture Notes? Content Times: 0:00 Introduction 1:02 Where centripetal acceleration comes from 4:36 Deriving the Direction of Centripetal Acceleration 8:46...
NASA
Explore Mars' Jezero Crater with NASA’s Perseverance Rover
This guided tour of Mars' Jezero Crater from NASA’s Perseverance rover provides a glimpse of the Martian landscape from the rover's highest vantage point yet in the “Séítah” region. Perseverance Project Scientist Ken Farley points out...
Curated Video
Calculating Income Elasticity of Demand Values: Easy Economics 3 Step Process
The video explains how to calculate income elasticity of demand values, using a simple 3-step process. It covers the formula for calculating YED and demonstrates how to calculate the proportionate change in quantity demanded and income....
Catalyst University
Hess's Law | Explanation & Example Problem #1
In this video, we do a Hess’s law example problem.
Curated Video
Earth's Landforms
With HD footage from all over the world, this program shows students all the various types of landforms found on our planet. Animation segments demonstrate how land formations are created by movement of the earth's plates, volcanoes,...
Healthcare Triage
What We Know About the Covid Omicron Variant
We've got another major variant, and a lot of people have questions. What is the Omicron variant? Do the vaccines protect us from this variant? Is it more contagious or more virulent? It's still early days for Omicron, and there's a lot...
Weatherthings
Water Smart: Water on Earth - Rivers
Water on Earth focuses on water as most kids would think about it. We start with water in obvious locations such as oceans, lakes, and rivers. We quickly learn that water can change phase to remain a solid in glaciers. Many kids may be...
Professor Dave Explains
Free Energy of Dissolution
We've learned a lot about solution chemistry, and we've also learned about thermodynamics and spontaneity. So what about the spontaneity associated with dissolution? If an ionic solid dissolves in water, is this an enthalpically or...