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Hot Topic
Deep Space
Alien Life
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Earthlings' Low Signal-to-Noise?
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| Topic: Alien Life |
12/05/04 |
| Our most efficient attempts to broadcast our planet's existence to another civilization would resemble the thermal radiation emitted by stars. By analogy, more advanced worlds would likely do the same, making our chances of listening in hard to distinguish from hearing stellar noise. |
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Marketing to the Mothership
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| Topic: Alien Life |
11/02/04 |
| It is sometimes said that the best form of advertising is education. But what products would our global marketplace tolerate at the borders of an encounter with another, perhaps far different civilization? To get some perspective, an expert entertains the question of how to advertise our presence to a more universal demographic. |
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Headshake to SETI Headfake
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| Topic: Alien Life |
09/12/04 |
| Did the famous screensaver, SETI@home, uncover the first strong evidence for an extraterrestrial signal? The SETI Institute's Seth Shostak discusses how hyperbole can misrepresent the last addition to a list of stellar candidates. |
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ET: Send Mail, Don't Phone
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| Topic: Alien Life |
09/01/04 |
| If an extraterrestrial civilization wanted to maximize its chances of being discovered by another civilization, the best bet may not ride on radio waves. Instead Rutgers engineers make the case for a 'message in a bottle' SETI strategy. |
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Eavesdropping on Olympus
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| Topic: Alien Life |
07/22/04 |
| As preparations near completion for the return of the Olympics Games to their ancestral home in Athens, the time is ripe to revisit whether the Olympics has been our diplomatic calling card in other places beyond the home planet. |
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Dr. Doolittle in the Doghouse
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| Topic: Alien Life |
06/11/04 |
| Communicating with each other may seem difficult enough, given the eight thousand languages used today, but imagine talking to another species? A model for considering the question is an age-old one: do you think your dog understands what you're saying? |
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The Great Wall
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| Topic: Alien Life |
05/12/04 |
| What could an extraterrestrial observer see of human influence when looking at Earth from faraway? Anecdotally, many claimed that the Great Wall of China would be first glimpse of civilization from space. While the claim has validity from orbit, there are few footprints of advanced life beyond a hundred miles overhead. |
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Ancient Astronauts
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| Topic: Alien Life |
04/28/04 |
| Ben Bova writes in his new book, "Faint Echoes, Distant Stars" about the science and politics of finding life beyond Earth. |
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OVNIs, Abduções e Antigos Astronautas
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| Topic: Alien Life |
04/28/04 |
| Extraído do livro "Faint Echoes, Distant Stars: The Science and Politics of Finding Life Beyond Earth." (“Ecos Fracos, Estrelas Distantes: A Ciência e a Política de Encontrar vida Além da Terra” sem versão em português). |
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How Advanced Could They Be?
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| Topic: Alien Life |
04/26/04 |
| Renowed physicist, Dr. Michio Kaku, considers the physics of extra-terrestrial civilizations, and whether we can classify their evolution judging from our own work in progress. |
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