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But all the compute power in the world is of little use if the cores can't talk to each other.

Inductive chargers will also make it easier to continually charge devices. Nokia is working on wireless charging. And devices will start harvesting energy from the surroundings. So it looks like the revolution will be fully powered.

. Literally billions of dollars are being invested into developing a giant sensor grids to manage power. Other grids will be set up for water, climate, pollution, terrorist attacks, traffic, and virtually everything else you can think to measure and control.

. Others predict the smart grid could be 1,000 times larger than the Internet.

Clearly this technology has obvious health and medical uses, and it may also figure into consumer and personal entertainment.

What if instead smartphones become the cloud?

In the future compute capacity will be everywhere. This is one of the amazing gifts of computer technology and also why virtualization has become such a hot datacenter trend.

It's out of that collective capacity that an Ambient Cloud can be formed, like a galaxy is formed from interstellar dust. We need to find a more systematic way of putting it to good use.

The scores of fourth- and eighth-graders on reading tests have climbed steadily since the 1990s, according to the National Assessment of Educational Progress. But those of 12th-graders have fallen. Just 37 percent of high-school seniors graduate with “proficiency” in reading, meaning they can read a text for both its literal and its inferential meanings.

While those with bachelor’s and graduate degrees maintained the highest levels of literacy overall, those groups also experienced the steepest declines. Just 31 percent of college graduates were considered proficient readers in 2003, by that test’s definition, down from 40 percent in 1992.

“We quickly realized that unless you actually assign a grade for the out-of-class component, students just won’t do it,”

“Harvard students are really not that different in terms of how they behave. They’re bright, they’re academically more gifted,” she says. But they’re also “incredibly good at figuring out how to do exactly what they need to do to get the grade. They’re incredibly strategic. And I think that’s really true of students everywhere.”

turns the classroom into a social-learning environment

“We have young people who are coming away from high school with a very sort of test-driven training — I won’t call it education — training in reading.”

Teaching students how to read in college feels “remedial” to many professors

Faculty members are trained in their disciplines. “They don’t want to be reading teachers. I don’t think it’s a lack of motivation,” says Columbia’s Doris Perin. “They don’t feel they have the training.” Nor do they want to “infantilize” students by teaching basic comprehension skills, she says.

Tie reading to a grade: Quizzes and assigned journals, which can determine about 20 percent of the final grade, can double or even triple reading compliance — but rote formats that seem to exist for their own sake can encourage skimming or feel punitive.“Do away with the obvious justifications for not doing the reading,” says Naomi Baron, at American U. “If you summarize everything that’s in the reading, why should students do it?”Ask students to make arguments, compare, and contrast — higher- order skills than factual recall.Using different media is fine, but maintain rigor. “You can do critical reading of anything that has essentially an academic argument in it,” says David Jolliffe, at the U. of Arkansas. Video and audio, in fact, may sometimes be better than textbooks — what he calls “predigested food.”Explicitly tie out-of-class reading to in-class instruction, going over points of confusion and connecting lessons and texts to each other.Teach reading skills. “Hundreds” of strategies exist, all of which make “explicit the processes that proficient readers use without thinking about it,” says Doris Perin, at Columbia.

“A lot of faculty members, myself included, are saying, If they’re not doing the reading, we can get unhappy, we can get angry,” she says. “Or we can do something about it.”