Area 51: the U-2’s unplanned first lift-off
The history of a real secret aircraft helps separate documented activity from legend.
An explanation exists#0039
OPEN ARCHIVE
Observations
Documented events, historical claims and public reports. Event dates and review status are listed separately; unidentified does not mean extraterrestrial.
Event year, not the article publication date.
GOFAST: screen speed and the parallax effect
A useful case in which apparent speed depends on camera motion and distance.
An explanation exists#0037
GIMBAL: image rotation and the limits of a clip
The well-known infrared clip requires distinguishing sensor imagery from the motion of an object.
Insufficient evidence#0035
FLIR / Nimitz: what the recording actually shows
One of three historical Navy clips officially released by the Pentagon in 2020.
Insufficient evidence#0033