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Science, Maths & Technology
How to compare income across countries
When we want to compare figures from two different countries, what makes for a fair basis of comparison? Tony Hirst and Hans Rosling explain.
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Science, Maths & Technology
How fertility rates affect population
Tony Hirst looks at population models and the effects of changing fertility rates.
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Science, Maths & Technology
The Silver Bridge Disaster: Eyebars in suspension
The 1967 collapse of the Silver Bridge was a human tragedy - 46 people died - and an engineering mystery: why did a bridge built to last a century not make 40 years? Part 1: Eyebars in suspension
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Science, Maths & Technology
The Silver Bridge Disaster: Stresses and strains
The 1967 collapse of the Silver Bridge was a human tragedy - 46 people died - and an engineering mystery: why did a bridge built to last a century not make 40 years? Part 2: Stresses and strains
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Science, Maths & Technology
The Silver Bridge Disaster: The collapse
The 1967 collapse of the Silver Bridge was a human tragedy - 46 people died - and an engineering mystery: why did a bridge built to last a century not make 40 years? Part 3: The collapse
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Science, Maths & Technology
History of the Universe timeline
Download a free timeline depicting the history of the universe
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Science, Maths & Technology
Design a school
As a new academic year gets under way, some schools are settling in to new premises. But what sort of choices and trade-offs are made during the design process?
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Science, Maths & Technology
Noble gases
What happens when you put noble gases, some balloons and a rooftop together? Watch what happens...
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Science, Maths & Technology
The Naming of Asteroids
How do asteroids get their names?
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Science, Maths & Technology
Fizzy drinks
Find out what's really in those bubbles that give your drinks their fizz.
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Science, Maths & Technology
Sacrificial Metals
In the Rough Science programme 'The Reef', the Rough Scientists constructed a burglar alarm to protect the delicate coral reef off the island of Chumbe. They strung out a wire across the surface of the water to mark out a no-go region for boats. If a boat crossed the line the circuit was completed and the alarm sounded. Being an important nature...
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Science, Maths & Technology
Properties of gold
Open University chemist Mike Bullivant outlines the properties of gold