Professor Dave Explains
IIT/JEE Chemistry Practice #8: Molecular Formulas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Practice Problem: Empirical and Molecular Formulas
How do we know how many atoms of each element are in a particular compound? Through clever experiments! Here let's practice using percent mass information to get the empirical and molecular formulas of a particular compound.
MinuteEarth
What Makes A Dinosaur?
Due to a revolution in our understanding of the tree of life, birds are dinosaurs, while dimetrodons are not. ___________________________________________ FYI: We try to leave jargon out of our videos, but if you want to learn more about...
Bozeman Science
AP Biology Practice 2 - Using Mathematics Appropriately
Paul Andersen explains how to use mathematics appropriately. He begins by emphasizing the important role that mathematics plays in the life sciences today and in that the future. He describes important mathematical equations in each of...
Curated Video
The Rule of 72 - TRICK To Calculate When Investments Double
The rule of 72 tells you how fast your investment will double. It is interesting mathematically and as a rule of thumb for quick mental calculations. I do NOT think it is practically useful for the stock market as returns are not fixed....
Curated Video
Calculating the Area of a Triangle using the Sine Rule
This video is an educational presentation on how to calculate the area of a triangle using the formula 1:2 ab sinC. The video provides a step-by-step guide on how to use the formula, including practical examples and a proof for the...
Curated Video
Using Standard Form in Biology: Converting Large and Small Numbers for Easier Calculations
This video is a lecture presentation on the use of standard form in biology. The presenter explains how to express very large and very small numbers in standard form using decimal numbers and powers of 10. The presenter also gives...
Curated Video
Multiplying Decimals Without a Calculator
This video explains how to multiply decimal numbers without using a calculator. We explain two different ways to do this; remove the decimal points (this can be used with grid, line and column multiplication methods) or by keeping the...
Curated Video
Mastering Tableau 2018.1, Second Edition 11.1: Data Visualization Best Practices for Effective Dashboards
In this video, we’ll see the best practices that we can use to create effective dashboards. • Best practices for creating effective dashboards • Implement best practices for effective dashboards
Weird History
What Was Civil War Hygiene Like
What was hygiene like during the Civil War? By contemporary standards, it was pretty grim for both Union and Confederate troops. Confronted by unsanitary living conditions and the ever-present risk of disease, many soldiers were...
Curated Video
A Practical Approach to Timeseries Forecasting Using Python - Autoregression
This video focuses on autoregression. It is a subset of time series models, which can be used to predict future values based on previous observations. This clip is from the chapter "Machine Learning in Time Series Forecasting" of the...
Curated Video
The Science of Hearing: Age, Frequencies, and Brain Reactions
Prebycusis is the scientific name for normal loss of hearing that happens as we age. Learn how and why this happens and test out your own hearing!
Brainwaves Video Anthology
Michelle D. Gladieux - Teachers Make a Difference - Rosemary Gladieux
Meet Michelle Gladieux (Glad-ee-oh) - an engaging, caring, inclusive, and forthright coach and teacher. Today, Michelle and her team at Gladieux Consulting present communication seminars and lead strategic planning and executive coaching...
Curated Video
Determining the Speed of Water Waves using a Ripple Tank
The video is a guide on how to conduct an experiment to determine the speed of waves on water using a vibrating object and a ripple tank. The video explains the setup of the ripple tank and the use of a DC electric motor to generate...
Curated Video
Dyslexic Friendly Quick Guide to Cone Volume Calculation Using Cylinder Formula
Through a Dyslexic Friendly colour scheme, learn the method of calculating cone volume effectively in this comprehensive tutorial. By relating cone volume to cylinder volume, learn to derive the cone volume formula step by step....
Curated Video
Approximating Square Roots Using Tables and Number Lines
In this lesson, the teacher demonstrates two methods for approximating square roots without a calculator: using a table and using a number line. The teacher provides examples and walks through the steps for each method, allowing students...
Curated Video
How to Calculate the Volume of a Cone using Cylinder Formula
Discover the method for calculating the volume of a cone by referencing the formula for cylinder volume in this educational video tutorial. By understanding the proportional relationship between cone and cylinder volumes, viewers learn...
Institute for New Economic Thinking
Sugrue: To Understand Race and Economics in America, Study Detroit
NYU historian Professor Thomas Sugrue, addressing the Institute’s conference on race and economics, makes the case that in Detroit’s history scholars will find the story of many of America’s industrial cities. Credits: Matthew Kulvicki,...
Curated Video
I WONDER - When Was The First Space Station Launched Into Space?
This video is answering the question of when was The First Space Station launched into Space.
Globalive Media
Beyond Innovation: Episode 13
Cameras map out streets for self-driving cars, a keyboard fits into a glove and a robot installs drywall. Plus, Anthony and Michael speak with the startup turning air pollution into liquid fuel. Hosted by venture capitalist Anthony...
Curated Video
Chemistry Practical: Investigating the Effect of Concentration on Reaction Rate
This video discusses a required practical experiment in chemistry where the objective is to investigate how increasing the concentration of a reactant affects the rate of the reaction. The hypothesis is that increased concentration leads...
Curated Video
15 Ideal VS Practical Switches | Power Electronics
Electronics 15 Ideal VS Practical Switches Basics of Power Electronics - Walid Issa Thermal Calculations using LTSpice
Catalyst University
Drugs & Xenobiotics | Mechanisms of Arsenic Poisoning
Here, we will see how two forms of arsenic, arsenate and arsenote, disrupt energy metabolism via glycolysis and the TCA cycle, respectively.
Curated Video
Volume of a Cone Made Simple - Using Cylinder Formula
Master the calculation of cone volume with this comprehensive tutorial. Beginning with the basics of cylinder volume, learn to derive the formula for cone volume by drawing parallels between cones and cylinders. Explore the significance...