Notability Notability is one of the best note-taking apps for the iPad, and its reviews speak for themselves. Apart from letting you take notes with the Apple Pencil, this app also has audio sync ...

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Eight challenges that invite teenagers to engage, experiment, reflect and create — via writing, photography, audio, video and more. By The Learning Network To participate, submit your response ...

Controlling the phononic properties of materials provides opportunities for better thermal insulation, reduction of sound noise, and conversion of wasted heat into electricity. Phononic crystals are ...