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‘Most Colorful View of the Universe’
The Hubble Space Telescope makes the hot and young among the stars visible. In the adapted image above, made by the Hubble Space Telescope, you are looking at roughly 10,000 galaxies of various ages...
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Nature’s Magnifying Glass: Gravitational Lensing
How gravitational lensing will help us get to understand dark matter and dark energy “…He whipped a tape measure and a large round magnifying glass from his pocket… I was irresistibly reminded of a...
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The Kanizsa Triangle: You Can’t Believe Your Eyes
A ‘perceptual hypothesis’ in your brain modulates your perception of shapes. See that black outline triangle? Good. See the other triangle created from the Pac-Men mouths? Is there really a triangle...
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Optical Illusion: Can You See Vase And Faces Simultaneously?
You brains shows when you switch between seeing a Vase or Faces. Take a look at the image to the right. This image raises a few questions. What do you see? Do you see a face? A vase? A couple of faces?...
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Now Available In Technicolor! #1: Color Basics
This week in RAZ’s color trilogy: How do we perceive color? Why are red and green opposites? Why do colors look different in a darker room? Why are some people colorblind? Color is all around us, yet...
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Now Available In Technicolor! #2: Color-Blindness
This week in RAZ’s colorful trilogy: What is color-blindness? Imagine waiting at the traffic light and not not being able to see the difference between red and green. That would definitely cause some...
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Now Available In Technicolor! #3: Greenish Red
This week in RAZ’s colorful trilogy: Why doesn’t greenish red exist? Why do colors have opposites? Why would it be impossible to describe a color as greenish red or yellowish blue? In this part, I’ll...
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Smell: Our Underrated Sense
Your sense of smell could help you find the perfect partner. A friend of mine is very attentive to my heightened sense of smell. “Oh! I warmed up some food early, does that bother your nose? Should I...
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Flawed Shades Of Gray
The Munker-White Illusion: flawed expectations of brightness and shadow. Take a look at the grey areas. Is one darker? Which one? Take a look at the next image. Is the grey background darker than the...
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Humans Navigate Naturally With Built-In GPS
Humans have a built-in neural map, and it’s shaped like a honeycomb. How did you manage to navigate to the place you are sitting right now as you read this? If you are in a familiar place like your...
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