He used a mathematical model that assumes organisms on other planets obey the same laws of conservation of energy that are seen on Earth. Simpson’s paper is published at arXiv.org.
That and the following UFO stories on this episode of Spacing Out.
California residents catch blue UFO on video.
Several Californians in a neighborhood in southwest Bakersfield have reported spotting a bright blue UFO at night. They say they have seen it twice, once on February 14, and then again, a month later, on March 14. Some of them have even got video of the object.
Stalled UFO file release questioned in the UK House of Lords.
A witness to the UK’s most famous UFO encounter was able to get the UK government to admit they had not released all of their UFO files as they had previously claimed. In December, 2013, in response to a Freedom of Information (FOI) request, they said they had found 18 UFO files they would send to the UK National Archives for public release, but that has not happened yet, and a member of the UK House of Lords wants to know why.
Hundreds see UFO and hear loud noises in UK town.
Starting around 9 pm on March 24, 2015, residents of the town of Cannock Chase in the UK took to social media to post UFO sightings and reports of loud noises. Local paranormal investigator and author, Lee Brickley, says hundreds of witnesses were involved.