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April 5, 2021 Archives
Monday, April 5, 2021
CONTEXT: The Bitcoin Blockchain: A Secure, Worldwide, and Unjammable “Numbers Station”?
I'm probably the last to figure this out, but isn't the Bitcoin blockchain a perfectly anonymous and secure means to communicate with covert agents in the field? It's easy to embed anything in the blockchain (see https://t.co/iXdbwHTQjh) and it can't be jammed or traced.
— John Walker (@Fourmilab) April 5, 2021
Here is more about numbers stations. Of course, you'll want to encrypt any message you embed in a blockchain transaction with, for example, my JavaScrypt.
It appears everybody hasn't yet gotten the message. Here is a numbers station broadcasting in Russian, recorded earlier today (2021-04-05) in Finland.
Posted at
20:03
TRACKING WITH CLOSEUPS: The Rise and Fall of the CIA's A-12 Spy Plane
The A-12 design, of course, went on to spawn the much more successful SR-71, although neither was ever used for the mission for which they were designed: overflight reconnaissance of the Soviet Union and Red China.
Posted at
12:25
CONTINUITY: SpaceX: Starship SN11 Explosion Due to “Relatively Small Methane Leak”
SpaceX founder Elon Musk said Monday that a “relatively small” methane leak caused the explosion of the company’s latest Starship test rocket last week on an experimental flight over South Texas (file photo).
— Spaceflight Now (@SpaceflightNow) April 5, 2021
Full story: https://t.co/FrgBuYlZIv pic.twitter.com/fsosHcwNnL
Ascent phase, transition to horizontal & control during free fall were good.
— Elon Musk (@elonmusk) April 5, 2021
A (relatively) small CH4 leak led to fire on engine 2 & fried part of avionics, causing hard start attempting landing burn in CH4 turbopump.
This is getting fixed 6 ways to Sunday.
Posted at
12:11
CONTEXT: The Darkest Clothing in the World
Invisible is the new black.
Posted at
11:36
THE HAPPENING WORLD: Winning at Cornhole with a US$32,000 Industrial Robot
What is cornhole? Complete source code is available on GitHub,
Posted at
10:57