SciShow
Has Saturn Had More than One Ring System
Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.
SciShow
The Telescope That Revealed the X-Ray Universe
Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...
SciShow
Why Don't Spaceships Have Artificial Gravity?
We've seen this done in movies right? Well, why don't spaceships have this technology?
TED-Ed
TED-Ed: What creates a total solar eclipse? - Andy Cohen
How can the tiny moon eclipse the sight of the gargantuan sun? By sheer coincidence, the disc of the sun is 400x larger than the disc of the moon, but the sun is 390x farther from Earth -- which means that when they align just right, the...
SciShow
How Big Can Black Holes Grow?
Black Holes are known for consuming everything that falls into them, but is there a point where these galactic devourers can't stomach anymore?
SciShow
How Do We Know What the Milky Way Looks Like?
How do we know what the Milky Way looks like if we've never been outside of it?
Crash Course
The Milky Way
Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway out from the center. The disk has grand spiral...
SciShow
The Oldest Quasar Ever and the Newest Failed Launch
We have discovered an enormous black hole that’s older and farther away than any we’ve ever seen, and a recent rocket launch did not go as planned.
Crash Course
Introduction to the Solar System
In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.
Crash Course
Jupiter
Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent...
SciShow
Why Our Solar System Is Weirder Than You'd Think
Research suggests that nearly every star has at least one planet, but we haven't found any other solar systems that look quite like ours.
Crash Course
Memory & Storage: Crash Course Computer Science
So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is storage. Data written to storage, like your hard drive, is a little different, because it will still be there even if the power goes...
SciShow
Why Are the Inner and Outer Planets Different?
The planets in our solar system have a very specific order. But have you wondered why they have the order they do?
Curated Video
Cyber Security for Absolute Beginners - 2022 Edition - Part 02 - Disk Encryption
Here, you will learn about encryption and decryption, the two technologies applied to a hard drive.
Curated Video
Cyber Security for Absolute Beginners - 2022 Edition - Part 02 - How to Back Up Your Computer
In this video, we will look at a backup, the advantages of having a backup system in place, and how to back up your computer.
Curated Video
Black Holes
Discover how dying stars transform into black holes, areas of mass so great that even light can't escape. Physics - Universe - Learning Points. When a star dies, it collapses and condenses into a single point, known as a singularity. The...
Curated Video
Modern JavaScript from the Beginning - Second Edition - HTML Webpack Plugin
In this video, you will learn how to use the HTML Webpack plugin to generate an HTML file that includes our bundled JavaScript and CSS files. We will explore how to configure the plugin and how to add dynamic content to the generated...
Curated Video
Linux Crash Course for Beginners - 2023 - System Monitoring Commands
In this video, you will learn about system monitoring commands such as top, df, dmesg, iostat 1, netstat, free, cat /proc/cpuinfo, and cat /proc/meminfo.
Curated Video
Linux Crash Course for Beginners - 2023 - Switch Users and Sudo Access
In this video, you will learn how to switch users and allow Sudo access using su and sudo commands.
Curated Video
The Evolution of Smartphones: From Simple Calls to Advanced Multifunctionality
Explore the fascinating journey of smartphone development from bulky mobile devices to today's compact powerhouses. This video delves into how technological advancements have enabled smartphones to replace over 15 kg of everyday objects,...
Curated Video
CompTIA A+ Certification Core 2 (220-1102) - Installing and Updating Linux
Linux is a fantastic open-source and free operating system that anyone can download and use. Let's discover how to install and update this wonderful OS. This clip is from the chapter "Installing and Upgrading Operating Systems" of the...
Curated Video
CompTIA A+ Certification Core 2 (220-1102) - Formatting in Action
File systems are created through the process called formatting. . There are several different ways to format mass storage and a good tech knows how to do this for the most common file systems. This clip is from the chapter "Implementing...
Curated Video
CompTIA A+ Certification Core 2 (220-1102) - Working with Drives
Every CLI provides a complete set of tools to administer our mass storage drives. You will find tools to format and partition drives, scan for errors and correct them, and more. This clip is from the chapter "Working with the...
Curated Video
CompTIA A+ Certification Core 2 (220-1102) - Backing Up Your Data in Linux and macOS
Backing up data in Linux and macOS follows the same best practices as Windows, with a few different tools. This clip is from the chapter "Maintaining and Optimizing Operating Systems" of the series "CompTIA A+ Certification Core 2...