Keyboard shortcuts

Scrolling

dorCtrl+d
Scroll down
uorCtrl+u
Scroll up
Ctrl+e
One line down
Ctrl+y
One line up
gtheng
Top of article
G
Bottom of article

Articles

j
Older article
k
Newer article
O
Open original
H
Open hackernews
R
Open reddit

Lists

jor↓
Next item
kor↑
Previous item
gtheng
First item
G
Last item
oorEnter
Open selected item

Go to

gthenforgtheni
Feed
gthen1–9
Open feed entry
gthenb
Browse
gthenp
Preferences

Search and help

⌘+kCtrl+kor/
Global search
?
Show this help
Esc
Close this help

GPS Hidden Messages - Computerphile

youtube.com/@Computerphile Watch original
YouTube

Something odd was going on with the signals broadcast by the GPS satellites. Steven Murdoch of University College London explains how he used statistical analysis to work out what might be going on.

To read more about Steven's findings: https://sjmurdoch.github.io/gps-special-messages/

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com