It took an earthquake to convince one city to do away with a double-decker highway. City planners in San Francisco had tried for years to get approval for removing the Embarcadero Freeway that blocked ...

Forbes contributors publish independent expert analyses and insights. I write about the ever-changing workforce and leadership. Are you one of the many leaders who thinks giving people more tasks and ...

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Subtraction is taking away one number from another. Lilly has 4 balloons, but then one flys away. How many does she have left? You can use subtraction to find the answer. First there were 4 balloons.

Picture a bridge made of Legos. One side has three support pieces, the other two. How would you stabilize the bridge? Most people would add a piece so that there are three supports on each side, a new ...

Imagining ways to introduce change is an essential skill no matter one’s occupation, role, or rank. To distinguish an app, a designer envisions a unique new feature. To enhance workplace culture, a ...

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

Every PWM DAC needs analog filtering to separate the desired DC component from unwanted AC ripple. The simplest filter is the single-stage RC low-pass filter. It gives a Vrpp (ripple peak-to-peak ...