| 
 | Path: news.nzbot.com!not-for-mail From: "Bob (not my real pseudonym)" <invalid@invalid.invalid>
 Newsgroups: alt.binaries.pictures.aviation
 Subject: Re: How An Optical Illusion Makes This Helicopter Look Like It's Floating - camera shutter speed matches helicopter`s rotor-yr3ngmRuGUc_xvid.avi (01/11)
 Message-ID: <982tbc93ckab9galqukl4pljeq8o1r7007@4ax.com>
 References: <o9jubn0303@drn.newsguy.com>
 User-Agent: ForteAgent/8.00.32.1272
 MIME-Version: 1.0
 Content-Type: text/plain; charset=ISO-8859-1
 Content-Transfer-Encoding: 8bit
 Lines: 36
 X-Complaints-To: abuse@easynews.com
 Organization: Easynews - www.easynews.com
 X-Complaints-Info: Please be sure to forward a copy of ALL headers otherwise we will be unable to process your complaint properly.
 Date: Tue, 07 Mar 2017 02:19:47 -0800
 X-Received-Bytes: 2315
 X-Received-Body-CRC: 1721910583
 Xref: news.nzbot.com alt.binaries.pictures.aviation:5559
 
 
 Obviously using anti-gravity technology taken from the Roswell
 Grays...  =}
 
 On 6 Mar 2017 07:13:59 -0800, Miloch <Miloch_member@newsguy.com>
 wrote:
 
 >http://jalopnik.com/seemingly-floating-helicopters-are-just-my-favorite-1792955477
 >
 
 >
 
 
 >shutter speed just happen to match up perfectly, causing this delightful effect:
 >
 >"No matter how fast it can shoot, a camera can only capture video one image at a
 
 
 
 >blade rotation speed and the camera shutter speed match up perfectly and every
 >single frame catches the blade in the same place.
 >
 >This is the same phenomenon that makes rotating wheels seem like they are moving
 >slower than they really are and LED lights seem like they are blinking on video.
 >
 
 
 >faster rate than our eyes can detect. Camera refresh rates can pick it up,
 >though.
 >
 >Science!
 >
 >
 >
 >
 >*
 
 | 
 
 |