Jeff Geerling
• Jeff Geerling
At NAB, I found a demo of Wi-Wi STAMP, a wireless time synchronization protocol that came out of Japan's NICT.
Wi-Wi stands for Wireless 2Way interferometry, and it uses the 900 MHz band for picosecond-level time sync, and mm-level distance accuracy, in a tiny box, currently the size of a smartphone.
The system is still in development, but existing prototypes have 20ps of phase synchronization jitter, and time synchronization down to 30ns. The next generation will have time down to 5ns in real-world use.
Andrew Nesbitt
• Andrew Nesbitt
How your dependencies became Bernies
Pluralistic: Daily links from Cory Doctorow
• Cory Doctorow
Entropic Thoughts
• kqr
TL;DR: Instead of labouriously computing \(c = \sqrt{a^2 + b^2}\), we can mentally calculate using the alpha-max plus beta-min algorithm, by estimating
\[\hat{c} = \mathrm{max}\left(a, 0.9a + 0.5b \right)\]
and this will be very close to the actual \(c\). This is useful for adding up sources of variance, or figuring out radiuses, or other such things.
Krebs on Security
• BrianKrebs
Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said the public archive included files detailing how CISA builds, tests and deploys software internally, and that it represents one of the most egregious government data leaks in recent history.
IT Notes
• Stefano Marinelli
TL;DR Production Update - behind schedule but on track How I use my Index 01 - watch the video for demos! Product design philosophy - why…
Troy Hunt
• Troy Hunt
It's a hot topic, the old "pay or don't pay" for hackers not to leak your data. Since recording this a few days ago, we've had Grafana go with the "no pay" approach, and I've seen a raft
matklad
• Alex Kladov
A few tips on 4D-ing your code comprehension skills.
Why AI won't augment human capabilities much.
