Preeti Gupta – författare

There are already thousands of books about spirituality, atheism, the afterlife, and the meaning of life.So why another one?Besides the fact that this has 170+ cartoon illustrations and a goofy sense of humor, it was written as the kind of book that thinks about these questions the way regular people actually think about them.Not as an expert.Not as a guru.Not as a monk who sold his Maserati.More like two people sitting around on a Friday night, eating pizza, trying to figure out what the heck is going on — and still not being able to pick a side.Take near-death experiences, for example.Maybe they really are glimpses of an afterlife. Maybe people are visiting another realm, meeting dead relatives, connecting with a divine light, and coming back with a message that there is something awaiting us after we pass.Or maybe it is all happening inside a dying brain — oxygen deprivation, memory flashes, gamma waves, chemicals, and one last neurological fireworks show before the lights go out.That back-and-forth is the book.26 Logical Reasons I am a Theist and Atheist wanders through the reasons to believe and the reasons not to believe, exploring topics like:Near-Death Experiences • Ghosts • Heaven • Karma • Astrology • Evolution • Cloning • Frozen Embryos • Past Lives • RNA World Hypothesis • Reincarnation • Consciousness • Free Will • Determinism • Miracles • Soul Energy • Conjoined Twins • The Incubus Phenomenon • Occam's Razor • and moreThis is not a dry philosophy book, a religious sermon, or an angry atheist manifesto. It is an entertaining, open-minded journey for readers who are torn between belief and doubt and still have questions about their own spirituality.If you are a wishy-washy agnostic — for whom the existential answer is not yet obvious — then this book is for you.

Spectroscopy can be defined as the study of the interaction of electromagnetic radiation with matter, during which absorption, emission, or scattering of radiation may take place. The structure and chemical properties of a system can easily be understood and studied with the help of atomic and molecular spectroscopic techniques because there exists a fundamental relationship between the properties of a substance and the interaction of radiation with that substance. The importance of spectroscopy in the physical and chemical processes going on in planets, stars, and comets as well as in the interstellar medium has been continuously growing as a result of the use of satellites and the development of radiotelescopes for the microwave and millimeter wave regions. This book on spectroscopy gives a wealth of information that may be derived from spectra.

This comprehensive guide offers an in-depth overview of key spectroscopic techniques, covering fundamental principles through to advanced applications. It effectively bridges theoretical knowledge with practical, real-world uses in materials science, industrial analysis, and environmental monitoring. Contributed by leading experts, the text provides authoritative, up-to-date insights, particularly in rapidly evolving areas like laser and time-resolved spectroscopy. Addressing growing demands across sectors—including diagnostics, pharmaceuticals, and material characterization—this volume is an essential one-stop reference. It serves as a valuable resource for students, researchers, and industry professionals involved in scientific innovation.