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Why did Greig decide to design a new type of umbrella?
He decided to design a new type of umbrella because the old ones had pointy rib and that they were not strong enough.
What is the history of the umbrella given in the text?
The umbrella was used for keeping people protected from the sun and the rain. But the ones in the old times were made of paper.
What new features did Greig design on the umbrella?
Greigs umbrella had blunt tip inside,double struts,floating rib and a canopy.
What is the name of Greig’s umbrella and why did he call it that?
The name of greig’s umbrella is the blunt umbrella and he called it that because he made the ribs blunt.
How did Greig test the umbrella?
He tested the umbrella by going to one tree hill in a storm and a wind tunnel with winds going up to 117 kph.
How does Greig’s work impact the world?
Greig’s invention has impacted the world because he has made a better version.
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