Virtually Passed
Simple dynamics problem using energy methods
Here we solve for the velocity of a block as it's sliding up a circular hill using energy methods 1) Find work done by external forces (it's 0). 2) Notice there is negligible rotation so the kinetic energy is just 0.5 m (v2^2 - v1^2). 3)...
TLDR News
15 Executive Orders: What Biden Did in his Huge First Day in the White House - TLDR News
On Wednesday, Joe Biden entered the White House for the first time as President and he didn't mess around. In his first 24 hours, Biden got to work undoing some of Trump's biggest achievements - signing 15 executive orders. So in this...
Super Geek Heroes
Keeping Promises with Suzi Smiles
Fun 3D animated learning episodes to support the early years development areas of PSED. Suzi Smiles is a Super Geek Hero on a mission to learn! Suzi learns how to make promises and keep them. The mission focusses on behaviour and...
Catalyst University
Exercise Physiology | Beta-Alanine, Carnosine Biosynthesis & Functions
Exercise Physiology | Beta-Alanine, Carnosine Biosynthesis & Functions
TLDR News
Economics of Royalty: Is the Royal Family a Waste of Money? - TLDR News
After a week of controversy surrounding the Royal Family, we thought it was worth discussing one of the core debates related to them - are they good value for money. So in this video, we discuss how the Royal Family are paid for and the...
Institute for New Economic Thinking
Narrative as Destiny: Steering Markets and Innovation to Serve Society
Tim O’Reilly, founder and publisher of O’Reilly Media, technology thought leader, and investor known to many as the “conscience of Silicon Valley,” brings a lens of storyteller to explore the role of technology and economics in today’s...
TLDR News
Points Based Immigration: The UK's New System Explained - Brexit Explained
Last week the UK government finally explained how immigration will work post brexit, laying out their new points-based immigration system. We explain how the new system works, how points are earned and who will gain entry to the UK. We...
TLDR News
Harris vs Pence: Who Won the Vice Presidential Debate (and What About that Fly?!) - TLDR News
Last night Vice President Mike Pence took on Kamala Harris (& a fly) in the Vice Presidential Debate. The debate, which featured significantly less shouting and interrupting than last week's, covered eight important topics from the...
TLDR News
Biden Vs Trump: The First Debate Highlights Explained - TLDR News
Last night, the first Presidential Debate of the 2020 Election took place in Ohio, and saw President Donald Trump and Former Vice-President Joe Biden go head-to-head for the first time. In this video, we cut through the cross-talk to...
Catalyst University
Exercise Physiology | AMP, AMPK, & Energetic Stress
Exercise Physiology | AMP, AMPK, & Energetic Stress
Two Minute Music Theory
Why Eric Whitacre's Clusterchords Work
Today we're looking at the 14-part clusterchord from Water Night by Eric Whitacre, how it is constructed, and how it all works - thanks to a good preparation of voicing and voice-leading.
TLDR News
Universal Basic Income (UBI): The Future or Impractical Nightmare? - TLDR News
Universal Basic Income (UBI): The Future or Impractical Nightmare? - TLDR News
Catalyst University
Excitation-Contraction Coupling in Skeletal Muscle [Part 1/2]
Part 1 of 2 of excitation-contraction coupling | In this video, we discuss excitation-contraction coupling from events on the motor neuron axon all the way through opening of calcium channels in the sarcoplasmic reticulum (SR).
Catalyst University
Power Series: Computing Integrals via Power Series: Example 1
Power Series: Computing Integrals via Power Series: Example 1
TLDR News
£222 Billion: The Cost of Brexit So Far? - Brexit Explained
In the last few weeks, there have been a number of articles and posts claiming that Brexit has cost the UK more since the referendum than all of the membership fees it's ever paid the EU. As much as that might be an appealing argument to...
TLDR News
This Professor Has Correctly Predicted Every Election Since 1984: His Model & Result - TLDR News
With many not relying on polling as we go into 2020, there's one man you might be able to trust Professor Allan Lichtman. This American University history professor (who we were lucky enough to interview for this video) has correctly...
Institute for New Economic Thinking
The Government as Entrepreneur
Mariana Mazzucato argues that the idea that entrepreneurship is confined to the private sector is wrong. In fact, while often considered "inefficient," the state is among the shrewdest investors in innovation—and deserves its fair share...
TLDR News
Wealth Tax? Could Britain's Billionaires Pay for the Pandemic?
Having already spent hundreds of billions on COVID, some are suggesting that the UK government should attempt to recoup some of those costs with a wealth tax. So in this video we explain how a British wealth tax might work, how much...
TLDR News
What is Juneteenth? Biden's New Federal Holiday Explained - TLDR News
Today is Juneteenth, the annual celebration of the date when slaves were first freed in Texas and a symbolic moment in the anti-slavery movement. In this video we explain the celebration and why Biden made it a new federal holiday.
PBS
Why Do Kids Have Their Own Bedrooms?
"Go To Your Room!" might be the most well known parental demand in America, but why do kids have their own sleeping area at all? Because while a bedroom might just seem like a "normal" thing for people who can afford a certain amount of...
Catalyst University
Power Series | Power Series & Interval of Convergence: Example 3
Power Series | Power Series & Interval of Convergence: Example 3