We present here the design details of a high-pressure pulsed valve that generates intense supersonic jets. The measured rotational contours of Aniline indicate that temperatures lower than 0.5 K can be achieved before the formation of clusters with the He carrier gas. The spectral shifts and vibronic structure of Anthracene-He n clusters (nϭ1-6) are showing some surprising features.

We address the problem of predicting user intentions in cases of pointing ambiguities in graphical user interfaces. We argue that it is possible to heuristically resolve pointing ambiguities using implicit information that resides in natural pointing gestures, thus eliminating the need for explicit interaction methods and encouraging natural human-computer interaction.We present two speed-accuracy measures for predicting the size of the intended target object. These two measures are tested empirically and shown to be valid and robust.Additionally, we demonstrate the use of exact mouse location for disambiguation and the use of estimated movement continuation for predicting intended target objects at early stages of the pointing gesture.

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