Michael König

Michael König untersucht qualitativ und quantitativ einen halbhermetischen CO2-Axialkolbenverdichter hinsichtlich auftretender Verlustmechanismen. Die physikalisch motivierten Betrachtungen umfassen eine Beschreibung thermodynamischer, strömungsmechanischer und mechanischer Phänomene. In Erweiterung zu bisher bewerteten Verlustbeiträgen charakterisiert der Autor umfangreich die elektrischen Leistungsverluste des Antriebsstrangs. Als neuartige Methode der Verdichterindizierung von (halb-)hermetischen Verdichtern entwickelt Michael König eine Zylinderdruck-/Drehwinkelkorrelation mithilfe motorintegrierter Hall-Schalter und wendet diese erfolgreich an. Der AutorMichael König ist als Entwicklungsingenieur bei einem Automobilhersteller in Salzgitter und dort im Bereich der elektrischen Nebenaggregate tätig. Er promovierte berufsbegleitend an der TU Braunschweig.

Galaxies - the Milky Way's siblings - offer a surprising variety of forms and colours. Displaying symmetrical spiral arms, glowing red nebulae or diffuse halos, even the image of a galaxy can reveal much about its construction. All galaxies consist of gas, dust and stars, but the effects of gravity, dark matter and the interaction of star formation and stellar explosions all influence their appearances. This volume showcases more than 250 of the most beautiful galaxies within an amateur's reach and uses them to explain current astrophysical research. It features fantastic photographs, unique insights into our knowledge, tips on astrophotography and essential facts and figures based on the latest science. From the Andromeda Galaxy to galaxy clusters and gravitational lenses, the nature of galaxies is revealed through these stunning amateur photographs. This well illustrated reference atlas deserves a place on the bookshelves of astronomical imagers, observers and armchair enthusiasts.

Traditional wireless algorithms all too often ignore the special qualities of the wireless medium. In this thesis, we propose new wireless transmission primitives for various applications and evaluate each of them on a wireless sensor network. In particular, we focus on integrating two properties into our primitives: the availability of transmission power control and the capture effect. First, we consider the problems of traffic prioritization and running multiple wireless algorithms in parallel. We propose a technique allowing to simultaneously run multiple algorithms of different priorities, with minimal overhead in terms of bandwidth and latency. This is done by assigning each priority a range of admissible received signal strengths at each node, and employing the capture effect to automatically enable reception of only the strongest incoming signal. The setup is transparent to the algorithms: each appears to have complete access to the network's resources as long as no algorithm of a higher priority wishes to use them. We discuss which properties of the network graph and the wireless hardware are beneficial to our technique. Second, we demonstrate the feasibility of achieving constructive interference using commodity wireless sensor nodes. In contrast to previous work, our technique does not rely on global external events as reference, but instead aims to minimize the errors in clock synchronization and transmission timing. Our evaluation shows that our technique is able to achieve constructive interference in over 30% of cases, even after multiple minutes of sleep. Third, we propose a class of transmission primitives which decouple packets' synchronization headers from their payloads, such that two or more different senders may contribute to a single received packet. We explore 2 applications: 1) enabling reception attempts of very weak packets, e.g., across a network chasm, and 2) the injection of shorter packets into longer ongoing transmissions. We investigate ways to vastly reduce the problems incurred by using a mismatching synchronization header for reception. In practice, we are able to successfully decode up to 30% of cross-chasm packets and up to 70% of injected packets. Fourth, we examine how transmission power control can improve wireless schedules. Based on the classic RAND scheduling algorithm we develop a version employing power control called PowerRAND. The schedules generated by PowerRAND are 20-25% shorter, i.e., achieve a 25-33% higher throughput than RAND. Our practical evaluation shows that these schedules are just as feasible in practice. Further, we discuss how power control provides flexibility to schedules in the face of changing environments.

Quantum healing: It celebrates an amazing success story and has become one of the most popular methods of healing meanwhile. Millions of followers swear by the amazing simple and effective techniques of quantum medicine. Dr. Michael K nig presents us in this practical book a wealth of transformation methods, physical exercises, breathing techniques and meditations, which lead to greater well-being, health and happiness. His self-developed quantum healing method, the 1-point and the 0-point method, are much easier and more effective than the current 2-point application in quantum medicine. Dr. Michael K nig is quantum physicist and is considered a coryphaeus in the field of quantum healing. With the book, we get a practical, life-like and effective introduction to the physics of quantum healing.