This video demonstrates synchronizing jobs with Semaphores.

Find out what's happening during puberty that causes spots.
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Biology - Being Human - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what has been already learnt in a topic, or use to...

Light can be transported over huge distances via fibre optic cables, losing virtually no information. How is this possible? Physics - Waves - Learning Points. Fibre-optic cables carry information from our phones and computers as light. A...

Even though the planet is warming, the amount of sunlight reaching the Earth's surface is decreasing. What is causing this, and what effect does it have? Earth Science - Human Impacts - Learning Points. Global dimming is the reduction in...

Discover how barrier methods of contraception can not only prevent pregnancy but stop the spread of sexually transmitted infections. Biology - Being Human - Learning Points. Barrier method contraceptives prevent the sperm from reaching...

It's been 65 million years since the dinosaurs became extinct. But what wiped them out? Hear arguments from the Gradualists and Catastrophists. Biology - Adaptation And Evolution - Learning Points. 65 million years ago the dinosaurs...

How these simple semiconductor devices allow us to control the strength and flow of electrical current in a circuit, and are integral components in modern electrical equipment. Physics - Electricity And Circuits - Learning Points....

Find out what makes a shadow.
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The world around us - Light and s
o

und - Shadows />

Learning Points
A shadow is


an area where light cannot reach.


This m
e

ans that shadows...

The Sun appears to move in the sky over a field of cacti ... what happens next?
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Physical processes -L
i

ght - Shadows />

Learning Points
The length of a shadow can change
w

ith the angle of the...

Learn that shadows change size as the angle of a light source changes.
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br/>

Physical processes -L
i

ght - Shadows />

Learning Points
The length of a shadow can change
w

ith the angle of the light...

Four buildings are shown onscreen, but which is the odd one out?
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People and places - Human geography -
U

sing the land


A Twig Tidbit Film - Odd one out. The children have to work out which of four...

Find out how shadows are formed and what types of materials produce shadows.
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Physical processes - L
i

ght - Shadows />

Learning Points
Shadows are created when
a

n object blocks the...

Investigate why shadows change size during the day.
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Physical processes - Light - The Sun as
a

light source />

Learning Points
Shadows change size during the day b
e

cause of the position...

Guess What I Am while developing basic English reading skills.

Guess What I Am while developing basic English reading skills.

Explore the world of cardistry, where cards dance in mesmerizing patterns.<br/>

This video discusses the ongoing debate over filibuster reform in the U.S. Senate. It explores how filibusters can block significant legislation, the concept of the Nuclear Option, and the challenges of bipartisan unity. Learn how the...

This video explains the concept of filibusters in the United States Senate. It covers how senators use filibustering to delay or block bills, the historical background of the tactic, and the role of cloture in ending debates. Learn...

By the end of this learning object, the student will be able to: Demonstrate light refraction and some related concepts.86717

This video explains how to use map scales to measure distance and understand the relationship between map distance and real-world distance. Learn how different maps—ranging from a city block to the entire planet—use scales for...

In September 1796, Field Marshal Wurmser's Austrian forces were retreating after a disastrous defeat at Caliano. Despite being heavily outnumbered, Wurmser pushed on toward Mantua, hoping to link up with its garrison and avoid complete...

Early in the 20th century Albert Einstein turned physics on its head with his theory of relativity. It explained anomalies observed by astronomers and it made predictions about things that could not be tested. One of these predictions...

In this video, we will discuss a function that returns values as true or false, also called the Boolean function.
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This clip is from the chapter "Introduction to Python" of the series "Machine Learning: Random Forest with...

Here, we will understand what a function is, how to pass data or parameters into a function, and understand the different types of functions.
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This clip is from the chapter "Introduction to Python" of the series "Machine...