Crash Course
Compression: Crash Course Computer Science
So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred over the Internet - the solution, unsurprisingly, is...
MinutePhysics
Extraterrestrial Cycloids - Why Are They on Europa?
Thanks to the James Webb Space Telescope (JWST) and Space Telescope Science Institute for supporting this video. This video is about the cycloid curves on Jupiter's moon Europa - they're ridges or valleys in the icy surface that formed...
SciShow
Cymatics: Turning Sound into Art
Sound waves vibrate more than just our eardrums, they can also make visual art!
SciShow
How Do Noise-Canceling Headphones Work?
You're on a flight, and the drone of the engines is getting on your nerves, so you pop on a pair of noise-canceling headphones, and sweet, blessed silence descends. But those headphones aren't just muffling the sound -- they're actually...
SciShow
What Do You Learn When You Touch the Sun?
Though our Sun is something we can count on to rise and set each day, it also comes with some phenomena that can catch us by surprise: solar winds. To better predict when these winds will travel all the way to Earth, we sent the Parker...
SciShow Kids
How to Build a Pillow Fort!
Learn how to build a pillow fort with the help of the force called compression. Just save some room for us!
Curated Video
Shockwaves: Sudden Pressure Waves
A large amplitude compression wave, associated with a sharp change in pressure, temperature and density. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Sedimentary rock
Rock formed by the build-up of layers of sediment over time. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Tension
The strength of a pulling force, for example in a rope or cable. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Reflection
The change in direction of a waveform at the boundary between two different media, so the wave returns to the medium in which it started. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Rubens' Tube
We create a Rubens\u2019 Tube to demonstrate the movement of sound waves. A tube lined with holes is filled with propane and connected to a speaker. We light the gas coming from the holes and play different frequencies and volumes of...
Curated Video
Measuring Music
We use a sounding board called a sonometer to investigate how the pitch of sound changes when the length of wire being plucked changes. We change the position of a moveable bridge to change the length of the wire and discover that...
Curated Video
Strong material
A strong material is one that is resistant to wear and physical force. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Sound is energy
Understand that sound is a form of energy created by vibrations. Physical processes - Sound - What is sound? Learning Points Sound is a form of energy. Sound travels in waves away from the source. Sound waves travel in all directions....
Curated Video
Condensation and freezing
Why do water drops form on cold windows and why does water freeze? Material processes - Solids, liquids and gases - Changes of state Learning Points Condensation is the change of state from gas to liquid. Freezing is the change of state...
Curated Video
Very strange liquids
Not all liquids act the same ... some can behave very strangely indeed! Material processes - Solids, liquids and gases - Liquids Learning Points Liquids do not have a fixed shape. Non-Newtonian liquids change behaviour when a force is...
Curated Video
Everyday liquids
What are the properties of a liquid? Material processes - Solids, liquids and gases - Liquids Learning Points Liquids do not have a fixed shape. The speed at which a liquid flows is known as viscosity. Liquids have fixed volume. The...
Curated Video
How do sounds travel?
Find out that sound waves always need a medium to travel through. Physical processes - Sound - How does sound travel? Learning Points Sound waves are known as compression waves. Sound waves travel at different speeds depending on the...
Curated Video
Changing state
Materials change state all the time, but how and why? Material processes - Solids, liquids and gases - Changes of state Learning Points Melting is the change of state from solid to liquid. Evaporation is the change of state from liquid...
Wonderscape
Exploring Types of Waves: Transverse and Longitudinal
Learn about the different types of waves, including transverse and longitudinal waves. Understand how these waves move through different mediums and their properties. Discover the speed of sound and how it varies depending on the medium....
Wonderscape
Exploring Characteristics of Sound Waves
Discover the characteristics of sound waves, including wavelength, frequency, and pitch. Learn about the Doppler effect and its impact on sound perception. Explore how acoustics influence building design and sound control. Sound part 3
Curated Video
Oracle Database Administration from Zero to Hero - Duplicating a Database Using RMAN - Part II (1 of 2)
In this video, we will delve deeper into database duplication using RMAN. You will learn how to perform active database duplication and backup-based database duplication with a connection to a target database. This clip is from the...
Curated Video
Oracle Database Administration from Zero to Hero - Practice - Using Table Compression
In this practice video, we will deepen our understanding of table compression by examining scenarios where basic compression and advanced compression techniques are effective. You will gain practical experience in applying compression to...
Curated Video
Oracle Database Administration from Zero to Hero - Using Table Compression (Part 2 of 2)
In this video, we will continue our discussion on table compression. You will learn about advanced compression techniques, obtain information about compression used in a database, and understand the Oracle Hybrid Columnar Compression...