DoodleScience
Converging Lenses _ GCSE Physics
A lens is a piece of transparent material, like glass, that uses refraction to form an image by changing the direction of light. There are two types of lens; converging and diverging. Converging lenses are shown using this symbol. The...
The Backyard Scientist
Burning stuff with a giant fresnel lens + how a DLP projector works
Hey everybody! I've wanted to make one of these forever. Well, i have made one before but it was not a 'good' fresnel lens. If you want to learn more about fresnel lenses this is a good website.
Let's Tute
Understanding Concave and Convex Lenses through Simulation
This video explains the concepts of myopia and hyperopia and how they can be corrected using concave and convex lenses. It also provides a simulation tool to help students understand the focal length, position, nature, and size of images...
msvgo
Spherical Lenses
It explains two types of spherical lenses; convex and concave lenses. It also explains technical terms related to them.It also describes the converging property of convex lens and diverging property of concave lens.
Brainwaves Video Anthology
Joe Mazza - Community Engagement
Dr. Joseph Mazza is a lifelong learner, leader, and innovator. Joe currently serves as the Leadership Innovation Manager at The University of Pennsylvania’s Graduate School of Education. In this role, Joe works with faculty, students,...
msvgo
Refraction at a spherical surface
It expresses the lens maker formula and lens formula,explains refraction by lens,power of lens,combination of thin lenses in contact.
Catalyst University
Lab Exercise 2: Microscopes and Cell Shapes
Lab Exercise 2: Microscopes and Cell Shapes
FuseSchool
BIOLOGY - Physiology - Eye and four vision problems
Eye and four vision problems All animals and plants are sensitive - they detect changes in their environment. This is one of the seven life processes. Any change that is detected is called a stimulus. If necessary, they then respond to...
Infognostica
Positive psychology (Part 2) - Just a matter of perspective...
Our prejudices are often outdated and unecessary. Putting these lenses down can be liberating...
msvgo
Optical instruments
It about the optical devices-the eye, telescope, image beyond 2F length, image at infinity and telescope.
msvgo
Lens Formula, Magnification and Power
It describes sign convention for spherical lenses, lens formula and its application, magnification and power of a lens.
Let's Tute
Understanding How the Human Eye Adjusts to Different Distances
This video explains the power of accommodation of the human eye, which is the ability of the eye to adjust its focal length through the ciliary muscles and the lens. It also discusses the least distance of distinct vision and the far...
NASA
Hubble's Galaxy-Observing Superpowers
The Hubble Space Telescope is keeping watch over many, many galaxies using the combined superpowers of its incredible optics and a quirk of nature called gravitational lensing. Credit: NASA’s Goddard Space Flight Center/Katrina Jackson...
Curated Video
Forced Perspective: An Optical Illusion Adventure
Learn about the concept of forced perspective. This video provides examples of how this technique is used in movies, video games, and even suggests trying it out yourself with a camera or phone to create fun scenes.
Apalapse
Aperture Explained in 2 Minutes
Hello everyone, I'm back with another video, this time, covering aperture in two minutes. I go over some key questions including, "What is aperture?" "How does aperture affect exposure?" How does aperture affect depth of field?" and...
Next Animation Studio
Scientists created telescopic contact lenses
Scientists created the first telescopic contact lens that allows users to zoom in their vision almost three times. The telescopic contact lens has two regions. The centre allows light to pass straight through, which provides normal...
Visual Learning Systems
The Microscope: Using the Microscope
While the microscope is one of the most exciting pieces of laboratory equipment, it is also one of the most expensive and fragile. This video illustrates how to safely and effectively use a variety of microscopes commonly found in the...
Curated Video
Understanding Concave Lenses: Formation and Types of Images
This video is an educational lecture that explains the properties of concave lenses, how they form images, and the type of images they create. The video describes the definition of a lens and how it refracts light as it crosses the...
DoodleScience
Correcting Vision _ GCSE Physics
Vision defects generally come in two different ways called short sightedness and long sightedness. A person who has short sight can see near objects clearly, but struggles to focus on distant ones. This is caused by one or two reasons....
Physics Girl
World’s Largest Camera Lens
The world's largest digital camera is currently being assembled at a warehouse in California. We caught the short window of time to see the camera's massive lens.
Curated Video
How Do Lenses Work?
This video provides a basic understanding of lenses, explaining how they work to focus light and form images. It covers the different types of lenses, their uses in various devices, and even highlights how our own eyes function as...
Curated Video
Convex Lenses: Refraction and Image Formation
The video is a lecture on convex lenses, explaining the way they work to bend and focus light. The speaker defines what a lens is, describes how convex lenses function, explains how to construct a ray diagram with a convex lens, and...
Encyclopaedia Britannica
Your Eye as an Optical Instrument
Learn how your eye functions just like a familiar optical instrument: the camera.