Best of 2021

The blog posts Hacker News loved most in 2021. 5,820 posts.

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3523

Alexa leaks private wishlists

This morning, my wife noticed that Alexa was insistently flashing its little blue lights. "Alexa... Notifications?" "You have one notification. An item on your wishlist has dropped in price. The … is now only £…" And that's how my wife found out what I planned to get her for her birthday! What happened to cause this?…

3529

Showing GUIs from Shell Scripts

Ever written a quick (shell) script to automate a small task at some point? Then that script grew over the years and perhaps ended up in the hands of way more users than you originally anticipated? If you were lucky enough to experience this, maybe you wondered: Wouldn't it be nice to have a GUI for that script?

3534

Imaging Cygnus a at 8.45 GHz with ATA

Earlier this year, I published a post showing our results of the interferometric imaging of Cassiopeia A and Cygnus A at 4.9 GHz with the Allen Telescope Array . Near the end of July, I decided to perform more interferometric observations of Cygnus A at a higher frequency, in order to obtain better resolution. I chose…