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Issue 146
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Allergic to the Sun?
Dear
HIW,
Can you tell me why I sneeze when I look into the Sun?
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How It Works
Issue 146
VER EN TIENDA
Otros artículos de este número
WELCOME
WELCOME
The magazine that feeds minds!
REGULARS
INSIDE THE POLLEN STORE
This is a thale cress plant’s reproductive organ,
ON TOP OF THE WORLD
Imagine glancing down and seeing the whole world
Newfound collision may be the biggest in Milky Way history
A globular cluster glows in the Large Magellanic
Primeval Greenland lake found under mile of ice
Ice seems to go on forever at Humboldt
Birth of a magnetic star seen for the first time
Two neutron stars slammed together far away from
Megalodon nurseries reveal the monster shark’s soft side
The megalodon, the biggest predatory shark of all
Coral tower taller than the Empire State Building discovered
An underwater research vessel has stumbled upon a
Stratolaunch starts building hypersonic plane
Stratolaunch has begun construction on a prototype hypersonic
Triassic Period ended with a ‘lost’ mass extinction
The Triassic Period ended with a millionyear rain
Hidden bacteria and fungi discovered on da Vinci’s drawings
Leonardo da Vinci is famous for his elaborate,
100 mummies found at Egyptian burial site
The number of mummy-filled coffins found in a
WISH LIST
The latest next-gen gadgets
Why are all Moon craters circular?
It’s not just Moon craters that are round
How can Pyrex be put in the oven and the freezer?
Pyrex glassware is made from heat-resistant borosilicate glass
How do noise-cancelling headphones work?
Noise-cancelling headphones help to block out surrounding distractions
How does WiFi work?
DID YOU KNOW? The world’s biggest gearbox weighs
Why do we yawn?
DID YOU KNOW? The average person will yawn
When were magnets first discovered and used?
English physicist William Gilbert was the first person
How does a car gearbox work?
The pistons in a car’s engine have to
Do you think it might be possible to change the environment of Venus or Mars to make it habitable?
The environments of Mars and Venus are relatively
How far into space have humans travelled?
The record for the greatest distance from
Why do objects have different terminal velocities?
DID YOU KNOW? Noise-cancelling headphones were first invented for
What cause s anxiety?
Shortness of breath is one common symptom of
BOOK REVIEWS
The latest releases for curious minds
BRAIN GYM
GIVE YOUR BRAIN A PUZZLE WORKOUT
BRAIN GYM
How to make fake glass
With this realistic prop, you can safely perform breakaway stunts for home movies
Turbine trouble
These impacts come into play after long-term large-scale
Exercise your eyes
Letter of the month
Mirror mirror
Mirrors were invented almost 200 years ago Dear
PC components
Dear HIW, I read How It Works magazine
FAST FACTS
SPECIAL
2021's HOTTEST SCI & TECH TO WATCH OUT FOR
WHAT DISCOVERIES, INNOVATIONS AND SCIENTIFIC EVENTS CAN WE EXPECT TO SEE?
GREEN HYDROGEN REVOLUTION
Scientists are continuously looking for alternative fuel sources
BROOD X HATCHES
Billions of cicadas are due to emerge from
ROBOTIC ASSISTANCE
FIELD SUPPOR T ROBOT (FSR) These autonomous robots
HIGH-TECH OLYMPICS
WHAT TECHNOLOGICAL ADVANCEMENTS CAN WE EXPECT FROM NEXT YEAR’S ATHLETIC GAMES?
FLYING CARS
In 2017, Japanese car manufacturer Toyota invested hundreds
NEXT-GEN RESEARCH SHIP WILL SET SAIL
It’s been one of the most talkedabout research
SELF-DRIVING CARS GIVEN THE GREEN LIGHT
The S-Class is the latest car from Mercedes
SEEING THROUGH BIONIC EYES
Monash University in Melbou rne, Australia, is paving
ARTIFICIAL KIDNEY TRIALS END
The Kidney Project at the University of California,
NEW EYES IN THE SKY
The James Webb Space Telescope will be NASA’s
THE FIRST LAUNCH FOR ARTEMIS 1
Another important launch will occur in November 2021
BATTLING COVID-19
One of the most crucial scientific advancements likely
KEY DATES
WHAT SCIENCE EVENTS SHOULD YOU KEEP IN YOUR CALENDAR?
5G GIVES VIRTUAL REALITY AN UPGRADE
Panasonic is developing VR glasses such as these
TECHNOLOGY
THE DEEPEST HOLES IN THE WORLD
How deep have we ventured into Earth towards the core?
WORLD’S DEEPEST
Kola Superdeep Borehole RUSSIA Depth 12,262 METRES
Inside a 5G smartphone
How It Works deconstructs Apple’s iPhone 12
Record players
How sound is recorded and replayed from vinyl
HISTORY
A-Z OF THE ANCIENT GREEK OLYMPICS
The modern Olympic Games may look very different, but the underlying ethos hasn’t changed in millennia
How the slave trade ended
Why the British Empire stopped these harrowing transatlantic shipments and their human cargo
Wilhelm Röntgen
This man’s accidental discovery provided medicine with a vital tool for diagnosing disease
ENVIRONMENT
SEA MONSTERS
What makes these animals some of the world’s deadliest underwater hunters?
TOP OF THE FOOD CHAIN
Killer whales vs great whites
VICIOUS VENOM
Toxic attackers
TACTICAL TEAMWORK
How animals hunt in teams
Rocky shores explored
There’s marine wildlife in every nook and cranny of the coast, just waiting to be discovered
The mystery of ball lightning
What’s the most plausible explanation for this rare atmospheric phenomenon?
TRANSPORT
AMPHIBIOUS VEHICLES
Discover vehicles that can jump between land, water and air as a result of some innovative engineering
Dornier Seastar
Land, sea and air: this flying boat has got it all covered
Rinspeed sQuba
A James Bond fantasy car brought to life
Amphibious Assault Vehicle
The first to land and the first to fight
Hot-air balloons
How do these gasbags get off the ground
Airport fire engines
Not all fire engines are created equal: airport tenders are the heavyweights of the fire-fighting world
Inside a clean-air plane
Could this strangely shaped private jet be the future of environmentally-friendly flying?
SCIENCE
HOW WE HEAL
Discover the critical biological systems that regenerate our bodies and restore us to health
SKIN DEEP REPAIRS
From bloodshed to scarring, here's how broken skin is restored
THE BRUISE SPECTRUM
What can the colour of your bruise tell you about its healing stage?
REPAIRING BONES
How does the skeleton fuse together beneath a cast?
OVERCOMING INFECTION
Our bodies constantly monitor themselves and are prepared for a fight against invaders
THE POWER OF SOAP
WHEN HUMANITY INVENTED SOAP, IT CHANGED THE WORLD
HOW SOAP KILLS CORONAVIRUS
SIMPLE SOAP IS ONE OF THE BEST DEFENCES WE HAVE AGAINST COVID-19
How the coronavirus vaccine works
Could a tiny strip of genetic code end the global pandemic?
What is an mRNA vaccine?
Priming the body with viral genetics teaches the immune system how to fight back
SPACE
SUPERMASSIVE BLACK HOLES
Once thought impossible by scientists, supermassive black holes are now believed to be the heart and soul of every galaxy, powering trillions of stars while spanning an area no bigger than our Solar System
WEIRD MOONS
Meet some of the strangest natural satellites in the Solar System
Two faced
Name Iapetus Planet Saturn Size 8.7x smaller than
Slingshot satellite
Name Nereid Planet Neptune Size 37.5x smaller than
Life cycle of the Sun
From birth to its death in the far future, our Sun’s evolution is driven by fundamental forces
BRAIN DUMP
How many teeth doe s a snail have ?
The average garden snail has around 14,000 microscopic
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