535 search results
How do musical instruments produce sound?
History & The Arts

How do musical instruments produce sound?

...above represent sine waves which have a very pure and artificial sound). Any single sound we hear also contains many additional waves and pitches. Sound, then, is a truly interesting and complex phenomenon. An instrument’s unique timbre is the product of a set of different pitches competing for your attention. Think about that next time you play or listen to some music....
View article How do musical instruments produce sound?
Article 5 mins
What does a Trump victory mean for Britain?
Society, Politics & Law

What does a Trump victory mean for Britain?

...intelligence and Special Forces. Culture, politics, economic considerations and so forth also make it ‘special’ but it is these three areas that are protected from the vagaries of presidential and prime ministerial politics. They form the basis on which the UK and US trust each other in ways they don’t with others. And it is trust that matters in any relationship....
View article What does a Trump victory mean for Britain?
Article 5 mins
Fit for office - the dark triad and selection of MPs
Society, Politics & Law

Fit for office - the dark triad and selection of MPs

...intelligent, principled and competent politicians in the houses of parliament and even intelligent people can act in incompetent ways. The issue with the dark triad is that individuals who possess a high level of these traits often are more likely to rise to the top under the current system, raising questions about how much influence it is desirable for them to have....
View article Fit for office - the dark triad and selection of MPs
Article 10 mins
Impossible Peace 2: The murders at Massereene
OpenLearn Ireland

Impossible Peace 2: The murders at Massereene

...intelligence picture - never has been. For all the watching and listening of the intelligence world, the IRA still managed to launch mortar bombs at Downing Street and still managed to smuggle in Libyan-supplied weapons. In that surveillance world you don't see and hear everything. The latest dissident attacks are not just about targeting the security forces. These are...
View article Impossible Peace 2: The murders at Massereene
Article 5 mins
Hitler's rise and fall: Timeline
History & The Arts

Hitler's rise and fall: Timeline

...intelligent, he is uninterested in formal education, eventually leaving with a poor educational record of achievement. The death of his father when Adolf was 13, releases the pressure on him to get a job working for the civil service, Adolf is able to pursue his preferred choice of study, that of art. He attends art school and regards himself as an artist, absorbing...
View article Hitler's rise and fall: Timeline
Article 15 mins
The struggle to save the seabirds after the Torrey Canyon disaster
Nature & Environment

The struggle to save the seabirds after the Torrey Canyon disaster

...Artificial cliffs were constructed of blocks, covered in soft-board and polythene sheeting to reduce leg and wing abrasion. Diet Initially the birds were fed sliced coley fish but after two weeks they were given thawed deep-frozen sprats, in a 3.5% weight to volume solution of sea-salt. Every effort was made to keep the food fresh, for even hungry birds would refuse...
View article The struggle to save the seabirds after the Torrey Canyon disaster
Article 10 mins
Why were Gibraltarians alarmed by Brexit?
Society, Politics & Law

Why were Gibraltarians alarmed by Brexit?

...artificial reef created in what Gibraltar sees as its waters. It is widely understood that it was membership of the EU that prevented Spain from closing the border definitively and so the fears of the border closing again are very real. Membership of the EU, after all, is incompatible with closed borders. Today, Gibraltar’s economy is mainly based on offering financial...
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Article 5 mins
Influential women scientists in chemistry
Science, Maths & Technology

Influential women scientists in chemistry

...artificial pesticides, such as DDT (dichlorodiphenyltrichloroethane). Her concerns were highlighted in her book, Silent Spring, which has significantly influenced the subsequent development of the chemical industry. Silent Springs has widely been credited as helping launch the environmental movement. 5: Ada Yonath [Ada Yonath Weizmann Institute of Science] In 2009 the...
View article Influential women scientists in chemistry
Article 5 mins