2019-04-01_How_It_Works.pdf

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ADPHONES
RTH
£149
RADIOACTIVE POWER
Fuelling space robots to explore other worlds
Explo
oring Bolivia’s beautiful
but d
dangerous Madidi Park
DEADLY
ARADISE
REVEALE
HOW YOU
COULD BE
CLONED
What it takes to make
copies of living things
HOW TO SURVIVE
IN THE ARCTIC
WHY BIRDS
EVOLVED BEAKS
T
HOW MASSIVE METEORITES MADE HUMANKIND
PLUS
THE PLAN TO SAVE OUR WORLD
FROM EXTINCTION
INSIDE THE NE
MACBOOK AI
YOUR CURIOUS
UESTIONS ANSWERED
ISSUE
122
WE GO INSIDE A
Y FACTORY
FLYING
MACHINES
Discover the wacky way
helicopters take to the skies
WELCOME
The magazine that feeds minds!
ISSUE
122
For exclusive
HIW
news and offers,
sign up to our mailing list
howitworksdaily.
com/newsletter
n 2014, Mars had a very
close call with a comet
called Siding Spring. If it
had impacted the Red Planet,
this vast ball of rock and ice
would have released energy
equivalent to thousands – if not millions – of
Hiroshima atomic bombs. On Earth, we’ve never
observed a close call with an interplanetary
leviathan of this magnitude in recorded history,
though there’s plenty of evidence of even bigger
I
impacts across our world in the form of ancient
craters that date back billions of years. These
massive meteorites weren’t just responsible for
destruction; some of them cleared the way for new
life and ultimately the evolution of humankind. On
n
page 22, read about these ancient impacts, the
cataclysmic events they caused, the technology we
use to detect and track near-Earth objects and how
we might protect our world from a future disaster.
Editor
Ben Biggs
“Meteorites were
repeatedly slamming
into the surface”
Impact Earth, page 22
Meet the team…
Production Editor
I hate the cold, so I can only
admire the brave souls on
page 74 who raced to the
poles. On a less icy note, this
is my last issue of
HIW.
Bye!
Charlie G
Research Editor
A crater discovered below
the Hiawatha Glacier is the
first to be found under an
ice sheet. Find out more
about it on page 22.
Baljeet
Staff Writer
How – and why – do
scientists make exact copies
of living individuals in the
lab? Find out in our cloning
feature on page 56.
Charlie E
Staff Writer
Madidi National Park is one
of the world’s most diverse
environments. Dare you
explore this beautiful but
deadly paradise on page 36?
Scott
Senior Art Editor
It’s incredible to think how
much goes into making our
money. Find out just how your
loose change and plastic
notes are made on page 64.
Duncan
FOLLOW US…
www.howitworksdaily.com
How It Works magazine
@HowItWorksmag
How It Works
003
CONTENTS
SPACE
22
Impact Earth
How the meteorites that have
bombarded the planet helped
to make humankind
TECHNOLOGY
64
Take a tour of a
money factory
Money has changed a lot since it
began as ancient coins. Find out
how it’s made today
30
Heroes of:
Margaret Hamilton
32
Radioactive
space power
34
Protecting Earth
from the Sun
68
Extreme polar survival
70
Exploring the tech inside
the new MacBook Air
73
What makes a quartz
watch tick?
ENVIRONMENT
36
Deadly paradise
Welcome to Bolivia’s beautiful
Madidi National Park
HISTORY
74
Race to the poles
Follow the footsteps of the
pioneers who conquered the
coldest places on planet Earth
40
Turning poo
into perfume
42
What is a spirit bear?
44
A guide to bird beaks
80
Drilling into ancient
Antarctica
22
TRANSPORT
48
Horse power
We explore the histor of horse
ry
power and how these loyal
e
beasts of burden help us
WIN
HEADPH
95
Impact
Earth
£149.99!
Page
ONES
WORTH
52
How helicopters y
55
Inside a polar-expl
loring
ice mobile
SCIENCE
56
How cloning work
ks
Making identical copies of
animals is no easy feat
60
What makes our
muscles so strong?
63
Why do we still have
body hair?
36
60
What makes our
muscles so strong?
Deadly
paradise
MEET THIS ISSUE’S EXPERTS…
Former
HIW
member James is a
biochemist and
biotechnologist. He
is currently doing a
PhD in machine
learning and
evolutionary theory.
James Horton
Jo Stass
Jo has been a
writer and editor
for over six years.
She is particularly
interested in the
natural world and
technological
innovations.
Jodie Tyley
The former Editor of
HIW
and
All About
History
has tackled
many topics in her
career, from science
fiction to science
fact and Henry VIII
to honey badgers.
Jonathan
O’Callaghan
With a background in
astrophysics, former
HIW
and
All About
Space
journalist
Jonathan enjoys
delving into the
wonders of space.
Laura Mears
Biomedical scientist
Laura escaped the
lab to write about
science and is now
working towards
her PhD in
computational
evolution.
Stephen
Ashby
Stephen has been a
writer and editor
for over seven
years. He is
endlessly intrigued
by technology and
Earth science.
Steve Wright
Steve has worked as
an editor on many
publications. He
enjoys looking to the
past, having also
written for
All
About History
and
History Of War.
History Of War
Editor Tim has a
passion for all
things military but
studies and writes
about a range of
historical eras.
Tim
Williamson
004
HowItWorks
www.howitworksdaily.com

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