検索キーワード： "Janna Levin" すべてのカテゴリー

From the acclaimed author of Black Hole Blues and Other Songs from Outer Space--an authoritative and accessible guide to the most alluring and challenging phenomena of contemporary science. Through her writing, astrophysicist Janna Levin has focused on making the science she studies not just...

In this audiobook, astrophysicist Janna Levin blends memoir and visionary science to provide a groundbreaking personal account of her life and ideas.

Stai viaggiando nel cosmo con la tua astronave. All’improvviso ti trovi di fronte a una totale assenza di luce: un buio su sfondo nero circondato da stelle, una misteriosa oscurità in apparenza priva di massa che ti attrae, per sfuggire alla quale devi aumentare gradualmente la potenza dei retrorazzi. Non devi oltrepassare il punto di non ritorno, quello dopo il quale, per salvarti, dovresti spingere i motori fino a superare i 300 000 chilometri al secondo della velocità della luce.

En 1916, Einstein predijo la existencia de ondas gravitacionales, su máxima prioridad después de proponer su teoría del espacio-tiempo curvo. Un siglo después, estamos grabando los primeros sonidos del espacio, evidencia de la existencia de las ondas causadas por la colisión de dos agujeros negros. Es la banda sonora que acompaña a la película muda de la astronomía. Janna Levin relata la ambición experimental que comenzó como un divertido experimento mental y se convirtió en objeto de obsesión para los arquitectos originales de la idea: Rai Weiss, Kip Thorne y Ron Drever.

The authoritative story of the headline-making discovery of gravitational waves—by an eminent theoretical astrophysicist and award-winning writer. From the author of How the Universe Got Its Spots and A Madman Dreams of Turing Machines, the epic story of the scientific campaign to record the...

Black holes are the most extraordinary phenomenon in the universe, but they are a riddle that confounds our intuitions. Anything that enters them can never escape and yet they contain nothing at all. They are bigger on the inside than the outside suggests. They are dark on the outside but not on the inside. They invert time into space and space into time.