Intergalactic light beams might be just the ticket for making contact with space aliens


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For more than a half century, we’ve been scanning the skies for radio signals that might be evidence of an alien civilization. Now physicists at the University of California, Santa Barbara are trying a different approach: scanning the skies for light beams that are monstrously intense. It’s a promising approach that could uncover aliens that have equipped themselves with the mother of all laser pointers.

The idea of using light beams to signal from one world to another isn’t new ‘ even the Victorians considered it. In 1874, the Finnish mathematician Edvard Engelbert Novius proposed wiring up 22,000 light bulbs and using curved mirrors to focus their glow on Mars, thereby alerting Red Planet residents that they had neighbors on the third rock from the sun. He didn’t get the funding.

Not to change the topic here:

Intergalactic light beams might be just the ticket for making contact with space aliens

The Santa Barbara plan is to reverse Novius’ scheme and look for aliens who might be signaling us. Or, more accurately, inadvertently spilling light in our direction with a light source brighter than a blowtorch. The scientists plan to search for such high-tech luminaries camped out in the Andromeda Galaxy, which at 2.5 million light-years away is the nearest large galaxy to our own Milky Way.

  • Publisher: NBC News
  • Twitter: @NBCNews
  • Citation: Web link

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#PlanAhead: Your October Asheville events calendar

Drink: Pink Pint Night | 2’7 p.m | Hillman Beer | 25 Sweeten Creek Rd | Free | Pink beer + free 3D mammograms for area women. Walk-ins are welcome or appointments can be made online.’

Show: Moonlight Street Folk, Bless Your Heart, Lo Wolf | 9 p.m. | The Mothlight | 701 Haywood Rd. | Free | ‘

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Things to do in and around Greenwich

Greenwich Audubon will host its 20th Annual Fall Festival & Hawk Watch from 11 a.m. to 5 p.m. Sept. 15 and Sept. 16 on its grounds at 613 Riversville Road. The family-friendly nature festival celebrates the fall season and annual migration of raptors. Enjoy amazing raptor shows, wildlife releases, carnival games, food trucks, music, hay rides, a climbing wall and much more. Admission at the door is $10 per member or $15 per nonmember, with a 10 percent discount online. Children 2 or under are free. For info, visit greenwich.audubon.org.

Further on.

The 17th anniversary of the Sept. 11 attacks will be marked with two ceremonies on Tuesday. A ceremony will be held as well at the town’s Sept. 11 memorial in Cos Cob Park from 6 to 7 p.m. Tuesday. Another ceremony from 7:30 to 8 p.m. Tuesday at the Glenville Firehouse. A wreath will be placed at the memorial outside the firehouse. The memorial is made from a piece of steel from the World Trade Center that was salvaged from the wreckage after the attacks.

  • Publisher: GreenwichTime
  • Date: 2018-09-09T16:40:05Z
  • Twitter: @GreenwichTime
  • Citation: Web link

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