Papershow is portable whiteboard, presentation, more

It all began with the blackboard that lets you write on a large surface for all to see and that can be easily erased. To this day, blackboards continue to be found mostly in schools. It's how teachers communicate their ideas ...

Hydrodynamics of writing with ink

For millennia, writing has been the preferred way to convey information and knowledge from one generation to another. We first developed the ability to write on clay tablets with a point, and then settled on a reed pen, as ...

Near ground-state cooling of 2-D trapped ion crystals

Researchers have been trying to cool macroscopic mechanical oscillators down to their ground state for several decades. Nonetheless, past studies have merely attained the cooling of a few selected vibrational modes of such ...

Review: Samsung tablet takes aim at iPad with pen

The tablet-computer market is like guerrilla warfare. One huge army — Apple — dominates the land, while a ragtag group of insurgents keeps raiding and probing, hoping to find some opening it can exploit.

Nano-calligraphy on graphene

Scientists at The University of Manchester and Karlsruhe Institute of Technology have demonstrated a method to chemically modify small regions of graphene with high precision, leading to extreme miniaturisation of chemical ...

New software to improve design tools

A team of Carnegie Mellon University engineers led by Levent Burak Kara and Kenji Shimada have developed software that will let engineers design new products by simply sketching their ideas on a tablet computer.

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