How It Works - Issue 06.pdf

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THE MAGAZINE THAT FEEDS MINDS
INSIDE
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SCIENCE
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ENVIRONMENT
■
TECHNOLOGY
■
TRANSPORT
■
HISTORY
■
SPACE
The man behind
the BBC series
How Earth Made Us
PROF IAIN
INTERVIEW
STEWART
INTERVIEW
ELECTRICITY
EXPLAINED
Learn the shocking facts
about everyday energy
THE FUTURE OF
TELEVISION
From high def and Blu-ray
to 3D and OLED
LEARN
ABOUT
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THE ATMOSPHERE
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FRACTALS
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DOUBLE GLAZING
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SPEED CAMERAS
■
VIKING LANDER
■
BIKE HELMETS
■
MICROPHONES
■
WW2 TANKS
■
CATS’ VISION
■
SPIDERS
■
BLOOD TYPES
923
FACTS AND
ANSWERS
INSIDE
THE HUMAN
SKELETON
Just how does the
knee bone connect
to the thigh bone?
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ELEPHANTS
Anatomy, sex life and society
of the massive mammals
VTOL
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AIRCRAFT
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CAFFEINE
Straight-up information on the Why does coffee perk you
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up in the morning?
Harrier Jump Jet
BOWLING
ALLEYS
Strrrrr-ike! We go behind the
scenes at a bowling alley
ISSUE
ISSN 2041-7322
SIX
© Imagine Publishing Ltd
No unauthorised copying or distribution
ME
ELCO
W
”FEED YOUR MIND!”
!
feeds minds
t
agazine tha
The m
ISSUE SIX
Have YOU got a question you want answered by
the How It Works team? Get in touch by…
Get in touch
Email:
howitworks@imagine-publishing.co.uk
Web:
www.howitworksdaily.com
Snail mail:
How It Works
Imagine Publishing, 33 Richmond Hill
Bournemouth, Dorset, BH2 6EZ
What you’re saying about How It Works
Hi guys, just wanted to say how great the
magazine is. I’ve been waiting for
something like this for years. I’ve already
subscribed. I only wish it came out more
than once a month. –
David Redfearn
Hi there. First off, I would like to say how
impressed I am with
HIW,
both the mag
and the internet site, they make for great
reading! Can you please show us how
submarine torpedoes work in an
upcoming issue? Thanks and keep up the
good work! –
Mason Barker
Thank you for such a broad series of
articles featured in
How It Works.
As a pre-
med college student, I found it useful to
read about many real-world applications
of information that I learned in class. I’ve
shown the magazine to a few of my friends
and they continue to thank me for
showing them.
How It Works
manages to help make
science a universal language, providing
clear and interesting articles that anyone
can understand and enjoy! –
Joelle Gabet
Meet the experts
How It Works
is created by a team of experts that’s more like family than
work colleagues, and it’s a family that’s growing all the time…
Luis
Villazon
Elephants
Luis is a zoologist and
a freelance journalist
so his name was first
on the team sheet
when we decided to
explain the lives of
elephants. You can
find his article on
these fascinating
mammals over on
page 14.
Shanna
Freeman
The Space Shuttle
Shanna is our
resident space cadet
and as well as
penning an excellent
article on the Space
Shuttle she’s also just
become a mum.
Congratulations
Shanna, shame we’ll
lose you for a bit.
She’ll be back!
Alasdair
Stuart
Bike helmets
New addition to the
freelance team,
Alasdair has been
writing about sci-fi
but we gave him a
tryout writing about
bike helmets,
breathalysers,
clockwork radios,
hubless wheels and
speakers.
Television
Helen
Laidlaw
Rob Jones
And welcome to issue number six
of
How It Works.
It’s amazing how
many marvels of modern science
we take for granted and a large
number of the gadgets and
technology we cover in these
pages wouldn’t be possible if not
for the steady supply of electricity
that comes into our homes and
offices 24 hours a day, seven days a
week. For this reason we’ve decided to dedicate one of
our main features to the topic of electricity, and be it AC
or DC, ohms or amps or static or current you’ll find
answers and explanations of this fascinating source of
power on page 58.
I’m a big fan of television. Despite many people
claiming that it stunts the imagination and intelligence
of adults and kids alike, I can’t help think of the many
excellent science and technology shows going out over
the cable and satellite networks these days. Whether
you think these outweigh the other dross that’s on is up
to you, but whatever your view you can discover the
workings of television, cable and satellite on page 24.
Enjoy the issue, and thanks to all of you who buy, read
and subscribe to the mag.
Rob became a dad
this month!
Congratulations! His
sleep-deprived brain
still managed to
produce a couple of
great articles on
black holes, VTOL
aircraft and Britain’s
ancient tribes
though.
As well as taking
more of a front seat
running the mag,
Helen also found
time to write one of
our major features on
television. Sadly
though, she hasn’t
found a lot of time to
watch much of it
lately!
Dave Harfield
Editor in Chief
The sections explained
The huge amount of info in each issue of
How It
Works
is organised into these sections
HISTORY
Questions answered
on how things worked
in the past
ENVIRONMENT
The natural world
explained
TRANSPORT
Be it road, rail,
air or sea
you’ll find
out about
it here
Editor’s pick
It’s hard not to be impressed by the largest
mammals on Earth but there’s so much
more to these wonderful creatures than
their size. Find out how they survive in one
of the harshest environments imaginable in
the excellent feature on page 14.
With thanks
thank
to
How It Works
would like to
the following companies and
organisations for their help in
creating this issue
SCIENCE
Explaining the
applications of
science in the
contemporary world
TECHNOLOGY
The wonders of
modern gadgetry
and engineering
explained
SPACE
From exploration to the solar
system to deep space
WWW.HOWITWORKSDAILY.COM
© Imagine Publishing Ltd
No unauthorised copying or distribution
How It Works | 003
NTS
TE
CON
eds minds!
fe
gazine that
The ma
ISSUE SIX
06
Global Eye
Amazing images from around the world
covering science, technology, nature,
space and transport
Fascinating answers to
questions about
the planets
Journey
through the
solar system
36
58
Electricity explained
Shocking facts about
everyday energy
Sections
14
Environment
14
Amazing facts about the world’s largest
land mammal in a feature that you’ll
never forget
Elephants
How the largest land mammals
eat, breed and survive
Elephants
18
18
19
19
19
20
22
Rain
Forest fires
Red sky at night
Box jellyfish
Stinging nettles
Earth’s atmosphere
The anatomy of the creepy crawly that
strikes terror into the hearts of many
Spiders
Technology
24
The future of television
28
Bowling alleys
28
Vacuum flask
29
Flat-panel speakers
004 | How It Works
Cable, satellite, 3D, OLED, plasma and
pay-per-view explained
64
VTOL aircraft
The Harrier Jump Jet and
other amazing flying
machines explained
SUBSCRIB
Go to pg 80 for some great deals
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© Imagine Publishing Ltd
No unauthorised copying or distribution
29
30
31
31
32
34
34
34
34
35
35
Gas masks
Speed cameras
Clockwork radios
Bike helmets
Power from the oceans
Automated car parks
Double glazing
Stethoscopes
Microphones
Fibre-optic internet
Aerosols
Regulars
12
How It
Works
interview
We catch up with Professor
Iain Stewart to discuss all
things geological
Space
36
Journey through the solar
system
Find out everything you need to know
our planetary neighbours
24
The future of television
40
The Viking lander
42
Space Shuttle orbiter
44
Inside a black hole
The fascinating space phenomenon
explained in full
The technologies that’ll change the face of TV
Science
48
Human skeleton
50
50
52
52
53
53
54
57
57
57
Find out how your bones stick together
Because
enquiring t
minds wan
to know…
82
Expert
answers
44
Cats’ night vision
Heart attacks
Fractals
Caffeine
Blood types
Lightning conductors
The world’s deepest lab
Sound proofing
Surface tension
Eggs
Shocking facts about everyday energy
Experts from the Science
Museum answer your questions
Alison Boyle
Astronomy Curator
Alison Boyle heads
up our panel of
experts once more
Rik Sargent
Science Museum Explainer
Rik takes on all the
science questions
this month
58
Electricity
Mike Odd
Science Museum Explainer
Inside a black hole
All about Sagittarius A*,
the nearest black hole
to Earth
Transport
64
VTOL aircraft
New-boy Mike
tackles all manner of
queries
22
The eight-
legged
arachnids
explained
The Harrier Jump Jet and its
predecessors explained
Spiders
68
68
69
69
70
70
70
71
71
72
Hydroplanes
Traction control
Trainers
Car ignition system
Regenerative brakes
Breathalysers
Hubless wheels
Lawn mowers
Ski bindings
2010 Range Rover dash
A hi-tech readout that displays different
images to driver and passenger
nts of stuff
kit and sava
oisseurs of
For conn
86
The latest
reviews
Gadgets, gizmos, toys, books,
games and DVDs explained
History
74
76
77
77
78
78
79
Inside the fearsome WWII tank
Tiger tanks
94
How to make
Create your
very own
origami
water bomb
BE NOW!
WWW.HOWITWORKSDAILY.COM
Britain’s tribal territories
Medieval sword fights
The first telephone
Astrolabe
Ancient wells
The Eiffel Tower
96
How It Works
– Inbox
Have your say on
How It Works
© Imagine Publishing Ltd
No unauthorised copying or distribution
How It Works | 005

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