1 00:00:06,230 --> 00:00:02,389 this photo has been presented as 2 00:00:08,930 --> 00:00:06,240 evidence that beams of energy from space 3 00:00:11,930 --> 00:00:08,940 are starting forest fires the 4 00:00:14,870 --> 00:00:11,940 explanation given for the photo is that 5 00:00:16,250 --> 00:00:14,880 it's just a lens flare but it's not 6 00:00:18,980 --> 00:00:16,260 really a lens flare is something 7 00:00:20,599 --> 00:00:18,990 slightly different it's actually a dirty 8 00:00:24,019 --> 00:00:20,609 lens color 9 00:00:28,849 --> 00:00:24,029 let me explain where is this mysterious 10 00:00:36,850 --> 00:00:28,859 streak of light well what it actually is 11 00:00:39,830 --> 00:00:36,860 is a artifact of a smear on the lens the 12 00:00:42,110 --> 00:00:39,840 when people try to clean that camera 13 00:00:44,840 --> 00:00:42,120 lenses on a small phone like this they 14 00:00:50,000 --> 00:00:44,850 often will just use a finger and they 15 00:00:53,029 --> 00:00:50,010 will swipe across yeah you can see after 16 00:00:56,619 --> 00:00:53,039 I just swiped across the the beam change 17 00:00:59,450 --> 00:00:56,629 it's now this different beam here and 18 00:01:01,520 --> 00:00:59,460 the reason is is that when you swipe you 19 00:01:04,399 --> 00:01:01,530 leave these little streaks in this 20 00:01:06,820 --> 00:01:04,409 direction and the light kind of gets 21 00:01:09,500 --> 00:01:06,830 refracted by them and so you get this 22 00:01:13,700 --> 00:01:09,510 streak across the same thing you get on 23 00:01:15,289 --> 00:01:13,710 a windscreen when your instrument wipers 24 00:01:17,960 --> 00:01:15,299 strike across it you get these streaks 25 00:01:22,880 --> 00:01:17,970 that go along it so I can do a few 26 00:01:25,070 --> 00:01:22,890 different angles here and you know there 27 00:01:26,539 --> 00:01:25,080 are succeeded in cleaning it well how 28 00:01:29,060 --> 00:01:26,549 often happens though is people have 29 00:01:33,469 --> 00:01:29,070 slightly greasy fingers and say you get 30 00:01:37,010 --> 00:01:33,479 these streaks like this and if I did it 31 00:01:39,770 --> 00:01:37,020 up you get if I did like 45 degrees and 32 00:01:40,700 --> 00:01:39,780 get ones that are more dag and only if I 33 00:01:42,889 --> 00:01:40,710 do it straight up and down 34 00:01:45,440 --> 00:01:42,899 you'll get ones to the side so I can't 35 00:01:46,639 --> 00:01:45,450 really see it and if I do it 36 00:01:50,210 --> 00:01:46,649 horizontally 37 00:01:54,620 --> 00:01:50,220 you'll get one there's more that's it 38 00:01:56,330 --> 00:01:54,630 got it depends of course on just what 39 00:01:59,480 --> 00:01:56,340 the last streak was you can see this one 40 00:02:02,810 --> 00:01:59,490 in this direction and you know there's 41 00:02:05,149 --> 00:02:02,820 some big ones over there and then 42 00:02:08,109 --> 00:02:05,159 there's a big one going in this 43 00:02:10,510 --> 00:02:08,119 direction so these types of streaks