Catalyst University
Effect of Ethidium Bromide on Supercoiling & Electrophoresis
Effect of Ethidium Bromide on Supercoiling & Electrophoresis
Let's Tute
IELTS Reading: Mastering Summary Completion Questions
In this video, the teacher discusses the type of question called summary completion in the IELTS reading test. They explain the purpose of a summary and how to approach these questions, including understanding word forms, predicting...
Institute of Art and Ideas
Do we have full control of our actions?
Many have been sceptical of Freud's claim that unconscious desires control our lives. Yet recent studies show the conscious brain processes only a tiny fraction of the brain as a whole. Are hidden desires and secret thoughts driving our...
Curated Video
Understanding Idioms: Go Against the Grain
In this lesson, students will learn the meaning of the idiom "go against the grain" by analyzing a comic strip. They will understand that idioms cannot be taken literally and will explore the common mistake of misinterpreting idioms.
Oxford Comma
Chapter by Chapter (Never Let Me Go): Chapter Eleven
Welcome to the eleventh video in our chapter by chapter analysis of Kazuo Ishiguro's Never Let Me Go! In this video we'll look at the the reason why Kathy and Ruth are friends in the first place and if their friendship can survive its...
Oxford Comma
Chapter by Chapter (Never Let Me Go): Chapter Five
Welcome to the fifth video in our chapter by chapter analysis of Kazuo Ishiguro's Never Let Me Go! In this video we'll look at the Woods and why they're so creepy. We'll also try to figure out why Kathy is still friends with Ruth.
Brian McLogan
Combining a radical expression
π Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
Summary for solving a quadratic
πLearn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Brian McLogan
What are parallel lines
π Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Catalyst University
Postulates of Quantum Mechanics: Hermitian Operators 1
Postulates of Quantum Mechanics: Hermitian Operators 1
Oxford Comma
Love Poem or Insulting: My Misstress' Eyes Are Nothing Like the Sun
Scholars debate what exactly Shakespeare meant when he wrote these famous words in his mysterious sonnets. For some, including my wife, it's the greatest love poem of all time. For others, it's one big burn. We'll try to answer that...
Curated Video
Understanding Idioms: Get on the Bandwagon
In this video, the teacher explains the meaning of the idiom "get on the bandwagon" through the use of a cartoon. The idiom means to like or agree with something because everyone else is doing it. The teacher clarifies the common mistake...
Institute of Art and Ideas
Why are our lives so puzzling?
From Aristotle to Einstein humans have tried to make sense of the world. Yet despite huge advances, a final explanation looks as distant as ever. What makes our lives and the world so puzzling and inexplicable? Is it too soon to give up...
Brian McLogan
Using the vertical line test to determine if a graph is a function or not
π Learn how to determine whether relations such as equations, graphs, ordered pairs, mapping and tables represent a function. A function is defined as a rule which assigns an input to a unique output. Hence, one major requirement of a...
IDG TECHtalk
Most common cyberattack techniques of 2020
Research on the most common techniques attackers used to breach systems provides insight on where to focus your defenses.
Curated Video
The Development and Uses of Robots
This video explores the fascinating world of robots, discussing their history, current applications, and future potential. From autonomous machines to humanoid androids, it highlights how robots are already being used in various...
Brian McLogan
Graphing a Piecewise Function
π Learn how to graph piecewise functions. A piecewise function is a function that has more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Curated Video
Learn and Master C Programming - How To Calculate Array Size in C/C++
Learn how to use the compiler with the help of 'sizeof' operator to calculate the size (number of elements) inside array without having to hard-code this value! This clip is from the chapter "Arrays" of the series "Learn and Master C...
Let's Tute
IELTS Reading: Strategies for Table Completion Questions
In this video, the speaker explains the process of table completion in reading comprehension exercises. They provide tips on how to approach these questions, such as understanding word limits, identifying keywords, and finding synonyms...
Oxford Comma
Ending Explained! Hemingway's "Hills Like White Elephants"
Most people are surprised to learn that a 1927 shorty story that seems to be about nothing is actually about abortion. Hemingway uses clever symbolism, subtext, and character in order to write a surprisingly modern story of longing and...
Curated Video
Hadrian Emperor
Hadrian (76-138 AD) was the fourteenth Emperor of Rome. Hadrian was born Publius Aelius Hadrianus into a Hispano-Roman family. Although Italica near Santiponce (in modern-day Spain) is often considered his birthplace, his actual place of...
Curated Video
Understanding Idioms: Add Fuel to the Fire
In this video, the teacher explains the meaning of the idiom "add fuel to the fire" using a comic strip.
Curated Video
Understanding Idioms: Don't Judge a Book by Its Cover
In this video, students will learn the meaning of the idiom "don't judge a book by its cover" through a fun and engaging cartoon.