Limits at Inifinity 1

How to Survive the Microcosmos

Smart glass, which can turn dark or clear to save energy, has been in existence for some time, but suffers from high costs, manual operation and toxic by products. A group of Korean scientists this week unveiled a new smart glass, which...

In this video, you will learn how to simplify algebraic expressions involving addition and subtraction by identifying and combining like terms. You will understand the concept of terms, coefficients, and the commutative property of...

This video continues the exploration of a three dimensional cartesian coordinate system. This video covers two challenging examples that requires the use of the equation of a sphere. The first example involves finding the equation of a...

Starting a conversation with kids about healthy eating can challenging, but with these great CATCH Health Food Spot Markers it can be fun! Coach John shows some great activities that you can use to get more kids thinking about proper...

Dr. James Coan is Professor of Psychology and Director of the Virginia Affective Neuroscience Laboratory at the University of Virginia. Dr. Coan has consulted for clinicians, businesses and researchers, working with groups as diverse as...

Learn how to apply exponents to negative bases in mathematics. Recognize negative bases and the importance of using parentheses to indicate a negative base. Review the patterns that emerge when raising negative bases to different...

Julie Batten is the founder of the Glass House Shelter Project, a grassroots organization that brings college reading & writing courses into homeless shelters. She teaches writing courses at Brandeis University, Salem State University...

Life Skills: effective communication and interpersonal relationship Bella and Bay are both playing with Bay’s toy car. But when Bella takes an extra turn, Bay starts acting strange. What could it be? Join Bella and Pepe as they learn how...

Life Skills: effective communication and interpersonal relationship

Bella and Bay love riding their bike. The only problem is, they have to share it! When it’s finally time for Bella’s turn, Bay doesn’t want to get off. Oh dear....

Earlier this year Greg and I travelled to Thailand where we discovered that rubber comes from trees! Find out how natural rubber grows and learn how the locals take it from under the bark!

Marine biologist Erica Staaterman is tuned in to the sounds of the undersea world. She records and analyzes the noise of life underwater, and as a result can tell you what a lobster sounds like, or a mantis shrimp (it rumbles).

In this video I explain why MC decreases and then increases and why the MC hits ATC at the minimum point of the ATC curve. Very exciting stuff!

Debt is one of our least favorite things to talk about, and that's one of the main reasons it is so hard to pay them off. BUT researchers have figured out how to rewire your brain to take on the debt monster.

Medusa has inspired art for centuries, whether as a symbol of protection or a monster. Explore her literary and cultural history in this episode of Monstrum from PBS Digital Studios. #GreatReadPBS

Humanity is a clumsy species. How else can you explain all the times we've almost fumbled our way into extinction. From nuclear false alarms to poisoned crops, here are 10 Times The World Almost Ended By Accident.

This video explains how to use the U-value and R-value equations to make a house more energy-efficient. He provides examples of how to increase insulation and use reflective material to improve the R-value. By doing so, homeowners can...

Hannah Hart reads "On Work" from Khalil Gibran's book, The Prophet.

Wombats are chubby, adorable Australian marsupials with a lot of great adaptations for their specific environment and lifestyle, and that includes pooping little cubes.

A tutorial for a 9W light bulb smart home system. The light bulb fixture is connected to a 5V relay module as well as to the mains. An android smartphone (with app) is used to turn the light bulb on and off. ESP32S microcontrollers with...

Glass is made by heating sand (mostly composed of silicon dioxide) until it melts and turns into a liquid at a high temperature of around 1700° Celsius. When the molten sand is allowed to cool, it becomes an amorphous solid, featuring...

Transformers change the potential difference of electricity. There are two main types of transformer that are used in the national grid. These are step up and step down transformers. Each of them consists of a two coils of wires around...

These second-order nonlinear differential equations can be written in the form:

dx/dt = f
(x,y)
dy/d

t = g(x,y)

Got a nonlinear differential equation? No problem, just linearize it! This method...