Here is a single image that can tell you how good your eyesight is. Or so scientists say anyway! You can try this fascinating test for yourself. Here are the instructions: 1. Look at the image while sitting a normal distance from your screen. Who is the person in the photo? 2. If you wear glasses, take them off and then look at the image again from the same distance. Do you still see the same person, or do you now see somebody different? 3. If you have good vision, keep looking at the photo but gradually move further back from your screen. Do you see anyone different in the picture now? Try it yourself and let us know how you get on in the comments section! There is a video at the bottom which explains the science behind the experiment. |
|
And here's the video explaining how it all works... |
Fascinating: Do You See the Same Colors As I Do?
This video will discuss the age old questions: do we see the same colors others see?
QUIZ: Can You Recognize These Animals Only By Their Eyes?
There are so many types of eyes in the animal kingdom, can you identify these animals purely by their eyes? Take our quiz and find out!
Test Your Basic Chemistry With This QUIZ!
Are you ready to challenge yourself in the field of basic chemistry? Let's see how you do with our basic chemistry quiz.
Test Your Knowledge of Our Solar Neighborhood!
This quiz will put your knowledge of our solar system to the test!
QUIZ: Do You Remember Your Basic Chemistry?
Are you ready to challenge yourself in the field of basic chemistry? Let's see how you do with our basic chemistry quiz.
This Is Why You Should Choose Paper Towels Over Air Dryers
Jet air dryers seem to provide a rapid solution to drying our hands in public restrooms, but they're actually havens for bacteria. Take a look.
Are There Universal Expressions of Emotion? Find Out Here!
Do facial expressions look the same and communicate the same meaning wherever you are in the world? Find out here!
Introducing the Astronauts That Were Just Launched Into Space
The two astronauts — veteran NASA fliers Bob Behnken and Doug Hurley are honored to have been on this flight. Let's get to know them!
25 Pics Showing How People in the Past Imagined the Future
Let’s see how the people of the past imagined the future and find out if their fun predictions came true with these 25 vintage pictures
This South African Plant May be the New Cannabis
Is this plant the new cannabis? What will the woolly umbrella plant do for medicine?
Incredible Science Breakthroughs That Made News in 2022
Let’s check out some of the most interesting scientific discoveries of 2022.
What on Earth Is a Black Hole? This Video Explains All...
What on Earth are black holes, how do they affect us, and should we be at all worried about their existence? Find out here.
Are You a Late Sleeper? This Super Video Explains Why
Why is it that some people are late risers, and some are morning people? It's all down to our genetics. Have a look here to find out more.
What Does the Appendix Actually DO?
Dr. Berg explains, in this video, all about the appendix and what it actually does in our body.
Satisfy Your Curiosity About the Universe with These Q&As
Discover more about the universe by reading through these facts.
TRIVIA: 25 Shocking Differences Between the Sexes
Did you know that there are some vast differences between the sexes? These 25 scientific facts will probably come as a big surprise to you, they did to me.
GUIDE: How Alcohol Affects Us, Drink by Drink...
In this article, we're going to discuss the exact amounts of alcohol in our blood and what they look like, including how each level affects us and our ability to function.
The History of Our Planet in One Beautiful Spiral...
This beautiful infographic offers us a remarkable story – the history of Planet Earth.
20 Amazingly Simple Inventions That Make Life Easier
Some wonderful inventions can fix some of the most annoying little problems that bug us every single day. Here are 20 of the most inventive ideas I've ever seen that I can't believe no one has invented before.
Why Are Your Ears Ringing? The Causes Explained
Nearly 15% of the human population worldwide are plagued by this strange sensation, but most people don't know the causes behind ringing in the ears...
This Visual Shows the Science Behind the Shape of Rivers
A fascinating visual model that explains why and how rivers change their course.
What is Your Consciousness? A Remarkable Video...
This video by Ted-ed searches to explain the origin of consciousness as well as what is consciousness.
6 Intriguing Archeological Finds of the 21st Century
These archaeological and paleontological discoveries were made in the past 10 years and they're equally fascinating and intriguing...
INTERACTIVE: A Guide to the Workings of the Human Body
The human body is the most complex machine known to man, and the amount of things it has to do to keep us alive is incredible. View this interactive guide now.
What Does Medicine ACTUALLY Do In the Body? Fascinating.
What really happens in our bodies when we take medicine, have you ever wondered? This video will answer your question.
7 Exciting Physics Tricks You Have to See!
Watch these seven remarkable physics tricks in this exciting and fun video.
Here Are the 16 Oldest Household Objects in the World
If you think ancient life is remote, these pre-historic household items will make you think again. Just look at how old they are!
Understanding the Aging Process of Our Body Parts
Find out how every organ and body part in our body changes with age.
The BIGGEST Indoor Ocean in the World - Jaw-Dropping!
Did you know that the US Navy has a football field-sized indoor ocean that can create any wave?
Take an Incredible Tour of Our Colossal Milky Way Galaxy
Fly Through the Milky Way Galaxy!
Discover How Anesthesia Affects Your Body and Mind
If you were ever curious about how exactly anesthesia works, then this video has all the answers!
The Surprisingly Convoluted History of Traffic Lights
What did the first-ever traffic light look like? Probably stranger than you imagine...
Wow! Who Knew That Jupiter Was So Mesmerizing?
Take a look at Jupiter like you've never seen it before!
10 Classic Paradoxes fom Philosophy, Math, and Physics
in every sphere of human knowledge, we’re bound to run into inconsistencies. That’s how fascinating paradoxes like these are born.
9 Women Inventors Who Have Been Overlooked by History
History has overlooked many great women inventors. Here’s your chance to get to know a few of them.
How To Be Sure Your Dog Adores You
10 scientific ways to know if your dog loves you
How Do the Drugs We Take Affect Our Brain?
We take many pills these days. What is it exactly that they DO to our brain? Find out now.
12 Earliest Versions of Tech Inventions We Use Every Day
Witness the evolution of 11 popular devices we use all the time by looking at how they all started...
The Curious Science of Tricking Your Taste Buds
Did you know you could confuse your sense of taste? Find out how!
These Ancient Inventions Have Got Scientists Stumped!
Here are 12 items from long ago which prove that our ancestors possessed knowledge and skills far more advanced than we once believed them to be.
19 Everyday Items That Started as Military Inventions
Look around your home, and you’ll surely find a handful of these items that were originally developed for the armed forces.
Incredible: This Man Got the First Double-Arm Transplant
Felix Gretarsson got burned in both arms and needed the new ones. For that purpose, he went through history's FIRST 2-arm transplant.
The Channel Tunnel - The 7th Wonder of the Modern World!
The construction of the Channel Tunnel is said to be an impossible feat!
Scary Stories: 11 of the World's Creepiest Experiments
Truth is stranger than fiction, and this can be said for occurrences in the scientific world too. Here are 11 of the world's creepiest experiments
8 Inventions of 2023 That Will Change The Way We Live
This year was a prominent one for ground-breaking innovations that will change the way we live.
11 Technologies to Potentially Achieving Immortality
Scientists are hard at work developing technologies that could extend our lifespans and even make us immortal. Here are 11 of them.