Curated Video
How lasers are used to treat cancer
In medicine, we use different types of lasers to fight cancer. In this video, we will learn everything about carbon dioxide (CO2), argon and neodymium: yttrium aluminum garnet (Nd:YAG) lasers and how they are used to treat cancer in a...
Curated Video
Landmarks - Gaudi Sagrada Familia
GAUDI SAGRADA FAMILIA HUMAN IMAGINATION KNOWS NO BOUNDS, BUT OFTEN THE ABILITY TO REALISE AN IDEA TAKES GENERATIONS. BARCELONA S MOST FAMOUS LANDMARK, THE SAGRADA FAMILIA, OR HOLY FAMILY, CATHEDRAL IS A FINE EXAMPLE OF HOW AN INCREDIBLE...
Astrum
How to Land a Rover on Mars
NASA's Perseverance Rover Series Episode 1. Landing and mission goals on Mars.
Astrum
NASA Missions that Could Make Radio Obsolete
NASA's successor to the Deep Space Network, infrared lasers and LCRD.
Curated Video
Láser
Un láser es un tipo de amplificador óptico que genera luz en una banda de frecuencias muy estrecha, cuyas ondas electromagnéticas tienen los picos y valles más o menos sincronizados.
Twig - Física
Curated Video
Tesoros de la Tierra: las piedras preciosas
Descubre las condiciones concretas que se requieren para que se formen esmeraldas, rubíes y zafiros; y cómo se carece del potencial de desarrollarlos en laboratorios.
Twig - Ciencias de la Tierra - Geología - Los ciclos de las rocas...
Curated Video
Fibra óptica
La luz puede ser transportada a largas distancias a través de cables de fibra óptica sin prácticamente pérdida de información. ¿Cómo es esto posible?
Twig - Física - Las ondas - La luz visible
Claves de aprendizaje
Los cables...
Curated Video
¿Cómo funciona un láser?
La luz concentrada puede ser increíblemente potente y útil. Descubre cómo se producen haces de láser controlando la forma cómo los átomos emiten fotones de luz.
Twig - Física - Las ondas - La luz visible
Claves de aprendizaje
...
Curated Video
La carrera por el cero absoluto: el enfriamiento por láser
En general, los láseres se asocian con la producción de un calor intenso pero algunos científicos los han utilizado para alcanzar las temperaturas más bajas jamás registradas. ¿Han podido alcanzar el cero absoluto?
Twig - Física -...
Curated Video
The Importance of Honesty
In this video, Helen the hippo shares a story about the importance of honesty. When she accidentally eats fruits from a basket that belonged to her new friend Lisa, Helen must decide whether to tell the truth or not. Through her honesty,...
Curated Video
Laser
A laser is a type of optical amplifier that produces light within a very narrow frequency band, and with the peaks and troughs of their electromagnetic waves more or less in step. A Twig Science Glossary Film. Key scientific terms...
Curated Video
Fibre Optics
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...
Curated Video
Earthly Treasures: Precious Gemstones
Discover the specific conditions needed for the formation of emeralds, rubies and sapphires; and how there is now potential to 'grow' them in laboratories. Earth Science - Geology - Learning Points. Emeralds are made from beryllium....
Curated Video
The Elements: Neon
Learn about the noble gas, neon, and its uses. Chemistry - Periodic Table - Learning Points. Neon is a colourless gas. When electricity is passed through neon, it produces a bright orange-red light. Neon is a noble gas and is inert,...
Curated Video
How Do Lasers Work?
Concentrated light can be incredibly powerful and useful. Learn how laser beams are produced by controlling how atoms emit photons of light. Physics - Waves - Learning Points. Lasers are photons of the same frequency going in the same...
Curated Video
The Race for Absolute Zero: Laser Cooling
Lasers are usually associated with heat. But scientists have instead used them to reach the coldest temperature ever recorded. Could they reach absolute zero? Physics - Energy And Radioactivity - Learning Points. Absolute zero is...
Curated Video
Carbon: Buckminsterfullerene
Discovered in 1985, Buckminsterfullerene has some fascinating characteristics. What is it and how is it shaping the future of chemistry? Chemistry - Atoms And Bonding - Learning Points. In the 1980s, a new carbon allotraope was found -...
Curated Video
Stimulated emission
As distinct from spontaneous emission, stimulated emission is the process in which a photon is emitted from an atom or molecule when hit by another photon of the right energy. A Twig Science Glossary Film. Key scientific terms defined in...
Curated Video
Introduction to Laser Eye Surgery
Laser eye surgery is a medical procedure that involves the use of a laser to reshape the surface of the eye. The first laser eye surgery or laser sculpting was performed more than 20 years ago. Patients have this laser eye surgery to...
Curated Video
From Selfies to Statuettes: The Evolution of Portraiture in the Age of 3D Technology
Explore the fascinating transformation of portraiture from traditional methods to cutting-edge 3D technology. Journey with Mac Lesggy as he discovers how modern techniques capture and immortalize human likenesses in crystal blocks,...
Curated Video
Celestial Light Shows: Aurora and Rainbow Mysteries Unveiled
Dive into the mesmerizing world of auroras and rainbows with stunning visuals from around the globe. Learn how the collision of charged particles with Earth's atmosphere creates the vivid colors of the aurora borealis and australis, and...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Laser Printers
Laser printers provide excellent print output on paper in both black and white and full color. Laser printers use a fairly complicated printing process that techs should understand. This episode details the processes and components for...
Curated Video
Introduction to Energy
Dr. Forrester explains how most of our energy is generated by the sun in one way or another.
Curated Video
Revolutionizing Transportation: The Future of Driverless Cars
This video explores the revolutionary development of driverless vehicles, showcasing how they are already being implemented in places like London's Heathrow Airport and on open roads. The technology behind these autonomous cars includes...