“…To support this contention, Penrose takes the listener on a dazzling tour that covers such topics as complex numbers, Turing machines, complexity theory, quantum mechanics, formal systems, Godel undecidability, phase spaces, Hilbert spaces, black holes, white holes, Hawking radiation, entropy, quasicrystals, and the structure of the brain…”

“…The material represented in these proceedings cover the following topics: accretion, active galactic nuclei, alternative theories of gravity, black holes (theory, observations and experiments), binaries, boson stars, cosmic microwave background, cosmic strings, dark energy and large scale structure, dark matter, education, exact solutions, early universe, fundamental interactions and stellar evolution, fast transients, gravitational waves, high energy physics, history of relativity, neutron stars, precision tests, quantum gravity, strong fields, and white dwarf; all of them represented by a large number of contributions. …”

“…Coverage includes Step-by-step junk mail filtering with Procmail Protecting Sendmail, Postfix, qmail, Microsoft Exchange, and Lotus Domino servers from spam Making the most of native MTA anti-spam features, including whitelists/blacklists, DNS black hole services, and header checking Distributed checksum filtering solutions, including Vipul's Razor and Distributed Checksum Clearinghouse McAfee SpamKiller for Lotus Domino McAfee SpamKiller for Microsoft Exchange Implementing and managing SpamAssassin Implementing SMTP AUTH, providing effective outbound SMTP authentication and relaying with any mail client; and STARTTLS, encrypting outbound mail content, user names, and passwords Sender verification techniques, including challenge/response, special use addresses, and sender compute Anti-spam solutions for Outlook, Outlook Express, Mozilla Messenger, and Unix mail clients Whatever your IT environment and mail platform, Slamming Spam's defense in-depth strategies can help you dramatically reduce spam and all its attendant costs—IT staff time, network/computing resources, and user productivity. © Copyright Pearson Education. …”

“…. • Landing the job of your dreams by avoiding the “black hole” of HR. • Establishing a strong reputation by encouraging others to like and cooperate with you. • Navigating your organization’s social scene and practicing cringe-free networking. • Mastering skills that will take you anywhere, such as goal-setting and self-promotion. • Combating negativity and coping with difficult personalities. …”

“…He earned his MBA—Master of Bruise Acquisition—through numerous encounters with “situations,” problems, black holes, bad employees, sea monsters, not enough money, and other karate chops to the organizational body. …”

“…Els forats negres acústics en mecànica (coneguts per les sigles ABHs, de l’anglès Acoustic Black Holes) solen estar formats per osques en bigues i plaques, el gruix de les quals decau segons una llei potencial. …”