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March 17, 2021 Archives
Wednesday, March 17, 2021
CONTINUITY: Building A Simple High Voltage Nitrogen Laser
The Transversely Excited Atmospheric (TEA) laser requires no vacuum system, glass-working, special mirrors, or pure gases. If you have a high voltage power supply, it can be built with components available at the hardware store and emits a coherent beam of ultraviolet light.
Posted at
21:45
THE HAPPENING WORLD: A Self-Amplifying RNA Vaccine for Malaria?
A self-amplifying RNA vaccine effective against malaria? https://t.co/J8TuzWQY5b Here is the U.S. Patent Application, published on 2021-02-04: https://t.co/2i3jj9InVv This is a continuation of patent 10,842,859, granted 2020-11-24: https://t.co/8zXQPEjPmG
— John Walker (@Fourmilab) March 17, 2021
If this proves safe and effective in human trials, it is a game changer for tropical regions, particularly sub-Saharan Africa.
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20:05
TRACKING WITH CLOSEUPS: SpaceX Starship SN10—High-Altitude Flight Recap
Posted at
13:24
THE HAPPENING WORLD: Illegal Content on the Bitcoin Blockchain
Illegal Content and the Blockchain https://t.co/Cnu6JeeAVe
— Schneier Blog (@schneierblog) March 17, 2021
It is possible to embed arbitrary content on the Bitcoin blockchain. What happens when prohibited content (pornography, government secrets, copyright-protected material, etc.) is published there? By design, there is no way to “unpublish” data on a blockchain without “forking” the cryptocurrency it supports. Bruce Schneier examines the possible consequences of this.
Frankly, I've been surprised this has not happened on a large scale long before now. With the growing prominence of Bitcoin and the raging “cancel culture”, it looks like a bonfire ready to be lit.
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13:10