SciShow
Inbreeding with Yourself
*At the time this video was made, it had been reported that Charlotte the round ray was pregnant. However, new information has come out that she was never pregnant with parthenotes, and in fact had a reproductive disorder, which is a...
SciShow
3 Reasons Animals Puke Their Guts Out (Literally)
For most of us, the term "puke your guts out" isn't meant to taken literally. But for these animals, it's kind of useful.
SciShow
Learning About Lightning from Superbolts
If you ask someone to picture a thunderstorm, chances are they will have no problem slipping into a memory of dark clouds and bright flashes screaming out from them. But, incredibly, they’re probably picturing the tame version of...
SciShow
Studying Supernovas From the Bottom of the Ocean
Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!
Curated Video
GTA3 iOS Walkthrough Part 22 - Payday for Ray
Howcast - Beat the mission "Payday for Ray" of Grand Theft Auto 3 with this online demo of the third-person adventure from Rockstar Games.
Curated Video
Dead Island Playthrough Part 12 - On The Air / A Ray of Hope
Howcast - Check out this playthrough for the action RPG "Dead Island" and beat "A Ray of Hope" and "On The Air" with this online demo.
Curated Video
Dead Island Playthrough Part 11 - On The Air / A Ray of Hope
Howcast - Check out part 12 of this playthrough for the action RPG "Dead Island" and beat "A Ray of Hope" and "On The Air" with this online demo.
Curated Video
Formal angle notation
Pupil outcome: I can use conventional terms and notations for lines, rays, segments and angles. Key learning points: - It is important to use and understand the mathematical word line. - It is important to use and understand the...
Curated Video
Heating by the Sun
Pupil outcome: I can explain why the heating effect of the Sun is greater at midday than at sunrise. Key learning points: - Heating a surface from directly overhead is more effective than heating a surface at a different angle. - When...
Curated Video
Normal
In physics, the normal is a line perpendicular to a surface. 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
Angle of incidence
When a ray or beam is reflected from a surface, the angle of incidence is the angle between the incident, or approaching, ray and a line perpendicular to the surface at this point. A Twig Science Glossary Film. Key scientific terms...
Curated Video
Angle of reflection
When a ray or beam is reflected from a surface, the angle of reflection is the angle made between the reflected ray and a line perpendicular to the surface at the point of reflection. A Twig Science Glossary Film. Key scientific terms...
Curated Video
Total internal reflection
The complete reflection of a light ray within a transparent material. 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
The human skeleton – Jigsaw
What is it? ... It's an X-ray of a hand! Life processes - Body systems - The human skeleton A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to identify it.
Curated Video
Introduction to Angles
Mr. Addit describes the three main types of angles and the way that those angles can be measured.
Curated Video
Points and Lines
Mr. Addit introduces the point, line, line segment, and ray and describes how to correctly write them.
Curated Video
Review for You: Classifying Lines, Angles, and Triangles
Mr. Addit reviews points, lines, angles, and triangles and how to classify them.
Curated Video
The Evolution and Applications of X-Rays in Modern Medicine
This video provides an overview of the discovery and medical applications of X-rays. It begins by discussing Conrad Rutgen's discovery of X-rays in 1896, highlighting how they revolutionized medical imaging by allowing visualization of...
Curated Video
Lines, Line Segments, Rays, Perpendicular, and Parallel Lines
Mr. Addit defines geometry. He then reviews the terms: point, line, line segment, ray, parallel lines, and perpendicular lines. He also provides examples of each.
Curated Video
Introduction to Angles
You could say that angles are some of the building blocks of geometry, and you've probably already seen lots of examples of angles in your life already. In this lesson, we'll go over the exact definition of an angle, how to name an...
Curated Video
Introduction to Geometry
When you hear the word "geometry", you might think of shapes. And you wouldn't be wrong! But before we can get to shapes, we need to talk about the parts that can make up shapes, like points, lines, rays, and line segments. In this...
Catalyst University
Electric Rays: 200 V Electrifying Machines!
Here we explore interesting facts about Electric Rays, cartilaginous ray-fish that can generate up to 200 V of electricity to attack their prey or defend against predators.
Brian McLogan
What is a point line and plane
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A...
Brian McLogan
What is a Ray and how do we label one
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A...