HMI continuum

ISSUE 44 WELCOME

The magazine that feeds minds!

Have YOU got a question you want answered by the How It Works team? Get in touch via:

HowItWorksMagazine howitworks@imagine-publishing.co.uk www.howitworksdaily.com @HowItWorksmag

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Constructed in low Earth orbit, the International Space Station spans an area the size of an American football fi eld and weighs nearly 420 tons

We explain the ultimate energy this issue: electricity. From what it is and how it works to electricity. From what it is and how it works to how it’s generated both by machines and in how it’s generated both by machines and in nature. Did you know that right now electric nature. Did you know that right now electric impulses are coursing through your body, impulses are coursing through your body, helping to send signals to and from your brain helping to send signals to and from your brain enabling you to see, feel and smell the world enabling you to see, feel and smell the world around you? Pretty amazing. around you? Pretty amazing.

And what concept could be more And what concept could be more mindblowing than that of the engineering tech mindblowing than that of the engineering tech that enables space agencies to construct that enables space agencies to construct massive fl oating science labs in orbit? Find out massive fl oating science labs in orbit? Find out how space stations like the ISS, Mir and how space stations like the ISS, Mir and

Tiangong are pieced together bit by bit, Tiangong are pieced together bit by bit, hundreds of kilometres above Earth. hundreds of kilometres above Earth. We also reveal the remarkable science We also reveal the remarkable science of the Nile, exploring the natural of the Nile, exploring the natural treasures of the world’s longest river. treasures of the world’s longest river.

You’ll discover its sources, its unique You’ll discover its sources, its unique geography and a few of the critters that geography and a few of the critters that make their home in and around this make their home in and around this wondrous waterway. Enjoy the issue. wondrous waterway. Enjoy the issue.

Helen Laidlaw

Editor

What’s in store…

The huge amount of information in each issue of How It Works is organised into these key sections:

Science

Uncover the world’s most amazing physics, chemistry and biology

Technology

Discover the inner workings of cool gadgets and engineering marvels

Transport

Everything from the fastest cars to the most advanced aircraft

Space

Learn about all things cosmic in the section that’s truly out of this world

Environment

Explore the amazing natural wonders to be found on planet Earth

History

Step back in time and fi nd out how things used to work in the past

Meet the team…

Robert

Features Editor If you think the Nile only fl ows through Egypt, think again. Follow its 4,130-mile course now from page 60. Helen

Senior Art Editor The majestic images of Antelope Canyon have inspired me to go check it out for myself. Ben

Features Editor Pipes aren’t very interesting… unless they’re really big: the challenges involved in creating the Nord Stream were insane. Adam

Senior Sub Editor We know what the Palace of Westminster looks like from outside, but the inside has centuries of secrets to tell…