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Issue 168
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WHY MIRRORS ARE SO REFLECTIVE
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WHY MIRRORS ARE SO REFLECTIVE
WORDS LAURA MEARS
Did you know?
HOW TWO-WAY MIRRORS WORK
WHY DO THEY GO BLACK AT THE EDGES?
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This article is from...
How It Works
Issue 168
VIEW IN STORE
Other Articles in this Issue
WELCOME
WELCOME
Issue 168 “This modern wonder has been a
REGULARS
Dental bacteria
© Getty Along with saliva, bacterial secretions form
Burning blue
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Vietnamese fishing
© Getty Fishermen follow near-shore currents to catch
Cosmic Cliffs
© NASA, ESA, CSA, and STScI The ‘Cosmic
Unique triple star system likely ate a fourth star
GLOBAL EYE Showcasing the incredible world we live
INTACT WWII BOMB DISCOVERED IN ITALY’S RIVER PO
The WWII-era bomb was found on the banks
Chinese astronauts start testing new space station
C hina’s Shenzhou 14 mission astronauts are getting
Revolutionary War mercenary grave unearthed in New Jersey
An impacted musket ball from the Fort Mercer
THE PENTAGON IS OPENING A UFO INVES TIGATION OFFICE
An aerial view of the Pentagon offices in
Massive magnet plans for deep-sea meteorite fishing
A stronomers are planning a fishing trip to
DEEP-SEA WORM LOOKS LIKE A LUMINOUS LUMP OF SPAGHETTI
MBARI’s photo of the deep-sea spaghetti worm in
Man’s raspy voice is fungus in his throat
O ver the course of a year, a
Whale sharks are the world’s biggest omnivores
A whale shark opens its mouth to filter
‘Yoda’ primates sing duets like opera stars
A Gursky’s spectral tarsier in Tangkoko National Park
US Space Force tests robot patrol dogs
M an’s new best friend is coming to
ENORMOUS SINKHOLE OPENS IN CHILE
Overhead footage of the massive sinkhole, located in
WISH LIST
The latest tech for PHOTOGRAPHY
What is negative g-force?
Alex Harris If you accelerate downwards faster than
THE LIBRARY
The latest book releases for curious minds
TEST FOR OCEAN ACIDIFICATION
Watch as seashells vanish before your eyes
INBOX
Speak your mind
FAST FACTS
Amazing trivia that will blow your mind
SPECIAL
7 MODERN WONDERS OF THE WORLD
From staggeringly tall skyscrapers to structures that break new ground in form and function, take a tour of some of the planet’s overlooked construction marvels
WONDERS BY NUMBERS
SCIENCE
MOLES, FRECKLES AND SKIN TAGS
How these unique patterns of pigment form on your skin
ENVIRONMENT
FOSSIL FUELS VS ALTERNATIVE ENERGY
The environmental cost of petrol and diesel is high, but alternative fuels could alleviate the impact on our planet
BATTLE OF THE FUELS
How does each type of fuel compare when it comes to environmental sustainability?
WHAT ARE GASTROPODS?
These slimy animals have twisted shells and topsy-turvy insides
WHY IS GRASS GREEN?
The same molecules that feed grass also give it its colour
TECHNOLOGY
SUPER DRONES
How unmanned flying machines are changing the world
SEND IN THE DRONES
The UAVs that are leading the charge in battle
ANTI-SATELLITE WEAPONS
Rival nations have developed powerful technology capable of knocking out satellites as the battle for space heats up
SPACE
HAZARDOUS ASTEROIDS
There’s a real possibility Earth could be hit by an asteroid, but it’s an avoidable disaster
INSIDE THE VULCAN CENTAUR ROCKET
One of America’s newest space launch systems uses a new fuel and has reusable parts
HISTORY
WW II'S WEIRDEST INVENTIONS
Take a closer look at some of the strangest things the Allied and Axis powers came up with to take on their adversaries
Inside the first MODERN COMPUTER
Why the Difference Engine wasn’t finished in time to make history
HOW PASTA IS MADE
The surprisingly scientific process behind this popular food staple
TRANSPORT
WHAT IS A TURBOCHARGER?
How turbochargers improve car performance, from increasing their speed and acceleration to making engines more eco-friendly
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