Paragraph 2
The Measure app uses AR and a
sensor that is inside the
. The sensor uses LiDAR
. This is "light imaging, detection, and ranging". LiDAR is used to make digital 3D models of
of the Earth and of the bottom of the
. It measures a person's height by sending out
. This light bounces off the
being measured and returns to the sensor. The app measures how
this took and calculates the person's height. The website bgr.com joked that the app, "isn't as
as drawing lines on a
" to find someone's height.
