New Frontiers of Observational Astronomy

Photons from the Universe New Frontiers in Astronomy

This century has seen a dramatic increase in observational possibilities of the physics of the universe. Several of the very recent new developments with emphasis on the particle physics aspect and in particular γγ interactions are briefly discussed in this talk. 1 The universal photon background At any point between galaxies in the universe one encounters a field of photons ranging in energy f...

Computing and telescopes at the frontiers of optical astronomy

recording and understanding the stars and planets back thousands of years. But it was not until the early 17th century with the telescope’s invention that we recorded the first astronomical “images,” hand drawings of our Moon’s surfaces, the Sun, Venus, and Saturn, and Jupiter’s satellites. Detailed drawings by Galileo Galilei and others surpassed anything previously seen and were pivotal in ad...

NEW FRONTIERS IN ANGIOGENESIS New Frontiers in Angiogenesis

Infantile hemangiomas: new frontiers.

Guest Editorial I t is a very exciting time for clini-cians who are confronted with infantile hemangiomas. So much new information is now available regarding pathogenesis, epidemiology, differential diagnosis, and therapy. These aspects are reviewed in greater detail in the accompanying articles by a group of experienced scientists and clinicians, who help provide a richer and more sophisticate...

New frontiers in arrhythmias.

Understanding of the mechanisms responsible for disorders of cardiac rhythm has been increasing rapidly in the past I0 years. A great stimulus to these advances in knowledge has been the recognition in Coronary Care Units of the high mortality associated with some arrhythmias. The principal inroads that have been made into the high mortality of patients with acute myocardial infarction who are ...