How It Works - UK (2020-05)

004 HowIt Works http://www.howitworksdaily.com

MarkSmith

A technologyand

multimedia

specialist,Mark

haswrittentech

articlesforleading

onlineandprint

publicationsfor

manyyears.

JoElphick

Jois anacademic

lawyerandlecturer

specialisingin

criminallawand

forensics.Sheis

alsotheauthorofa

numberoftrue

crimebooks.

60 Nucleararmsrace

What was the ‘Cold War’and

what were the world’s biggest

nuclear bomb tests?

66 Can you quit being king?

68 Inside the Bank

ofEngland

22 Cyberwarfare

How malware, hackers, viruses

and other online nasties work.

Howsafeis yourcomputer?

SPACE

52 Eyesinthesky

What dotheall-seeingsatellites

in orbit aroundEarthsee?

56 How metal

detectorswork

58 Perfectpizzaexplained

70 Amazing

astrophotography

Our favourite space photos: how

they were taken and what the

wonders they show are

74 Heroes of space... Mary

ShermanMorgan

Dr Andrew

May

Andrew has a PhD in

astrophysics and 30

years in public and

private industry. He

enjoys space writing

and is the author of

several books.

MEETTHISISSUE’SEXPERTS...

40 Becomea back

garden eco-warrior

What you can do to encourage

wildlife into your garden and help

save the planet

46 Life on a volcanic island

48 How worms dig

50 Where does our

sewagego?

TECHNOLOGY

HISTORY

SCIENCE

76 250mphsupertrains

These levitating trains are on

track to become the fastest form

of public transport in the world

80 Creating a drone

superhighway

Andy Extance

Andy is a freelance

science writer based in

Exeter, UK. He previously

worked in early stage

drug discovery research,

followed by a brief stint in

silicone adhesive and

rubber manufacturing.

32 Smoking

versus vaping

Could these two habits be just as

bad for you as each other?

38 Howmeatis cured

TRANSPORT

ENVIRONMENT

AR ZONE!

Scan the QR code with your device’s camera or download a free QR

code reader app.ManyiPhoneandAndroid devices include a QR reader

When you seethe logo at the top of a page,

useyourphonetoscantheQRcode,whichlookslikethis

Hold your mobile device over the image and watch it come to life! Your

device needs to be connected to the internet for this to work

HOW THE AUGMENTED REALITY WORKS

After being launched by the QR code, the app reads anything you point your device’s

camera at 30 times a second, searching for distinctive shapes we’ve trained it to

recognise. When it sees a familiar picture, it overlays the augmented-reality 3D image

we’ve previously uploaded on your screen.

AARZONE!ZONE!

56 Howmetal

detectorswork

66

Can

you

quit

being

king?

40 Becomea backgardeneco-warrior

AR
ZONE!

SPECIAL

Z

AR

ZONE!

AR

ZONE!

AR

ZONE!

22

CYBER

WARFARE