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But when the content is delivered purely as digital bits, there is no limit to the range of TPM that can be applied. Content producers can also quickly change their options to meet market demand. What is a publisher to do when it finds out that it can't get students to buy e-textbooks when they expire after a mere four months? By changing one line of code, those four months can be expanded to a full year.
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What does this infinite flexibility for digital TPM mean for media distributed online? It means consumers will have more choice. More legal music options are already available online, and at The Progress & Freedom Foundation's recent Aspen Summit, we heard Warner Music Group Chairman and CEO Edgar Bronfman Jr. promise an e-label for up-and-coming artists.
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The researchers also outline two ways to alter the chemical structure of diatoms. The first is to modify the silica with a gaseous metal at temperatures up to 900°C – a method used to convert diatom shells into magnesium oxide and titanium dioxide structures. The second entails coating the micro-organisms with a solution and then dissolving the silica underneath. This has been used to create structures in zirconium. By combining the two techniques, the researchers were able to make nano-structures of barium titanate.
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"Devastating" early drafts of a controversial book recommended as reading at a US high school reveal how the word “creationism” had been later swapped for “intelligent design”, a landmark US trial scrutinising the teaching of ID heard on Wednesday. The early drafts of the book Of Pandas and People, was used as evidence to link the book to creationism, which it is illegal to teach in US schools.
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The top 3 metres of the PAL ramp was removed to access another part as the tank was being prepared for launch. It was a lower part of the PAL ramp that fell off during launch. That was not removed, but could have been cut by plastic knives or crushed by someone leaning on it while the upper part was removed and replaced.