Tag: Rays

Free Download Gerold Yonas Ph.D., "Death Rays and Delusions"
English | ISBN: 0692919554 | 2017 | 250 pages | EPUB | 3 MB
In "Death Rays and Delusions," Dr. Gerold Yonas explains how he found himself thrust into a high stakes world of generals and politicians, international intrigue, multi-billion dollar budgets, laser beams and nuclear annihilation as he faced a mind-boggling assignment-creating a high-tech shield in space to defend America from attack.In this autobiographical narrative about the end of the Cold War, Yonas gives a firsthand account of the creation and evolution of the Star Wars beam weapon program. Having served as the first chief scientist and acting deputy director for Ronald Reagan’s Strategic Defense Initiative (SDI), also known as the "Star Wars" program, Yonas traces the strange, ironic and humorous events of his career as "Reagan’s Ray Gun." He offers insight into the end of the Cold War, the disintegration of the Soviet Union and the political, military and scientific machinations taking place in the background.Exploring a time characterized by chaos and confusion, politics and public relations, delusions and deceptions, Yonas reflects on the modern lessons from this era and shares his unique perspective on what happens when science and politics collide.

Free Download Cosmic Rays: Multimessenger Astrophysics and Revolutionary Astronomy (Astronomers’ Universe) by Alessandro De Angelis
English | November 2, 2023 | ISBN: 3031385594 | 220 pages | MOBI | 22 Mb
In recent years, cosmic rays have become the protagonists of a new scientific revolution. We are able today to film the Universe with telescopes of completely novel conception, recording information from many different messengers and accessing previously unknown cosmic regions.

Free Download Gamma Rays in the 100 TeV Region from Potential Galactic PeVatron Candidates: Observation with the Tibet Air Shower Array and the Muon Detector Array by Sei Kato
English | PDF EPUB (True) | 2024 | 180 Pages | ISBN : 981971642X | 50.6 MB
This book presents two candidates for astrophysical accelerators of cosmic rays with petaelectron-volt (PeV) energies in our Galaxy, the so-called PeVatrons, through the observation of sub-PeV gamma rays performed by the Tibet air shower array. The two gamma-ray sources are TASG J1844-038-a newly detected source in this presented work-and HESS J1849-000. Reconstructing their gamma-ray energy spectra up to the sub-PeV range and also analyzing the archive data published by a radio survey, the book discusses in depth the emission mechanisms of the observed gamma rays and suggests that these two gamma-ray sources are candidates for PeVatrons. The results give insights into the population of PeVatron in the Galaxy, which is important to consider their contribution to the PeV cosmic rays observed at the Earth.

Free Download Waves and Rays in Seismology: Answers to Unasked Questions (2nd Edition) by Michael A Slawinski
English | 2018 | ISBN: 9813239875 | 576 Pages | PDF | 13.6 MB
The author dedicates this book to readers who are concerned with finding out the status of concepts, statements and hypotheses, and with clarifying and rearranging them in a logical order.

Free Download Brian J. Ford – Secret Weapons: Death Rays, Doodlebugs and Churchill’s Golden Goose
Osprey Publishing | 2013 | ISBN: 1780967217 | English | 315 pages | PDF |176.36 MB
Secret Weapons charts the race in technology between the Allied and Axis powers, with examples of their use in battle, along with those that remained experimental or remained the stuff of science fiction. Importantly it also shows how wartime research set in train the high-tech era in which we now live. The account charts secret weapons development from the Japanese ray gun of the 1930s to the powerful V2 rocket, and compares World War II secret weapons research with the realities of present-day science. It’s a riveting story of innovation under pressure, from a world of machine guns and biplanes to electronics, rockets, and nuclear bombs with the power to wipe out humanity.