Makematic
Causes of the War of 1812
The War of 1812 pitted the fledgling United States against Great Britain in a second war of independence. But what factors influenced Congress’ contentious decision to declare war in the first place?
Makematic
Expansion and Settlement of the United States
Today, the United States is home to more than 330 million people. In this video, learn about how the population has expanded and changed over time.
The Business Professor
Naming Your Business
What are the considerations when Naming Your Business? Follow your state's naming guidelines · 2. Don't pick a name that's too similar to a competitor's name · 3. Choose a name that people can spell and pronounce.
The Business Professor
Industry Lifecycle Analysis
Industry life cycle refers to the stages of growth, consolidation, and eventual extinction of an industry. It mirrors an economic cycle and consists of four main stages: expansion, peak, contraction, and trough. It is used to analyze a...
Curated Video
The Big Bang and the Astonishing Discoveries of the Hubble Space Telescope
The Big Bang theory is our best explanation for the origins of the universe. The Hubble Space Telescope has played a crucial role in allowing astronomers to look back in time and study the early universe. By observing distant galaxies...
Astrum
Was Our Universe Designed for Life?
Was the Universe Designed? Exploring the effect Dark Energy has on our Universe.
Curated Video
Universo
Todo lo que existe forma parte del Universo: la materia física y la energía así como el contenido del espacio entre galaxias.
Twig - Física
Curated Video
Alvéolos
Sáculos de aire microscópicos de los pulmones donde se produce el intercambio de gases entre la sangre y la atmósfera.
Twig - Biología
Curated Video
Gigante roja
Estrella de pequeño a medio tamaño, en la última etapa de su vida, en la que ha consumido su hidrógeno por fusión nuclear y comienza a quemar elementos más pesados.
Twig - Física
Curated Video
La expansión y la contracción
Descubre cómo reaccionan al calor los diferentes materiales y por qué esta circunstancia puede ser tanto útil como peligrosa.
Twig - Física - Energía y Radiactividad - El calor
Claves de aprendizaje
La temperatura afecta al...
Curated Video
La teoría del Big Bang
Descubre una teoría acerca de un acontecimiento ocurrido hace 13.800 millones de años que podría haber sido el origen de nuestro Universo.
Twig - Física - El universo - El Big Bang
Claves de aprendizaje
El Big Bang tuvo lugar...
Curated Video
La escala del Universo
¿Qué tamaño tiene nuestro Universo? Viaja desde la Tierra, a través del Sistema Solar, y abandona nuestra Galaxia para adentrarte en los confines del Universo.
Twig - Física - El universo - El espacio exterior
Claves de...
Curated Video
Truenos y relámpagos
Contemplar una tormenta eléctrica puede resultar impresionante pero, ¿cómo se forma? ¿Qué sucede en el interior de determinadas nubes para que se creen esas enormes cargas de energía?
Twig - Ciencias de la Tierra - Climatología - El...
Curated Video
Las evidencias del Big Bang
Descubre las pruebas científicas que respaldan la teoría del Big Bang – desde la expansión del Universo a la radiación cósmica de fondo de microondas.
Twig - Física - El universo - El Big Bang
Claves de aprendizaje
La teoría...
Epic History TV
The Northwest Territory: Washington’s Gamble and the Native Resistance
In 1787, the United States faced mounting debt and unrest as settlers pushed illegally into the Northwest Territory, sparking violent resistance from Native American tribes. Despite calls for fairness, President George Washington...
Astrum
Where Did the Big Bang Happen?
Where is the centre of the universe? Where do astronomers look in space to see where the Big Bang originated?
Astrum
Olbers' Paradox
Olbers' Paradox. With so many stars in the universe, why is space black and not white with light? Astrum Answers!
Astrum
Methuselah's Star and the Age of the Universe
How can scientists possibly know the age of the universe? Well, through a variety of factors, including redshift, the CMBR and more.
Science ABC
How Does Temperature Regulation In An Electric Iron Work?
The working of an electric iron is very simple – it draws electricity from the mains and heats a coil inside. This heat is then transferred to the bottom plate, which is pressed against the clothing to remove wrinkles. It is the...
Curated Video
Alveoli
Microscopic air sacs in the lungs where gas exchange takes place between blood and the atmosphere. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Universe
Everything that exists. All physical matter and energy and the contents of the space between galaxies. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Dark energy
A mysterious energy field present across the entire known Universe, which accounts for 70% of its mass-energy. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Red giant
A small to medium sized star late in its life, when it has used up its hydrogen in nuclear fusion and starts burning heavier elements. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Expansion and Contraction
Discover how different materials react to heat, and why this can be both useful and dangerous. Physics - Energy And Radioactivity - Learning Points. Temperature affects the size and shape of an object due to the expansion and contraction...