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How Did Robots Land on Mars?
e-bok,
2019,
Engelsk,
ISBN 9781474779173
After travelling millions of miles through space, roving robots gently landed on Mars and then drove across its surface. Read this book to learn how engineers accomplished these …
What would it Take to Make an Invisibility Cloak?
e-bok,
2020,
Engelsk,
ISBN 9781474796989
In science fiction, invisibility cloaks let their users vanish from sight and sneak around unnoticed. How could one of these stealthy pieces of clothing work? Scientists have some …
e-bok
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