Polarized light reveals secrets of black hole’s magnetic field

Two years ago, astronomers revealed the first-ever direct images of a black hole. Now, the collaboration behind the historic image has released a new version that shows the polarization of the light around the object.Continue ReadingCategory: Space, Sc… Continue reading Polarized light reveals secrets of black hole’s magnetic field

NASA releases 360–degree panorama of Perseverance rover landing site

NASA has released the first HD 360-degree panorama taken by the Perseverance rover’s mast-mounted cameras since it touched down on the Red Planet on Feb. 18, 2021 . The composite image, which was captured on the third Martian day of the mission (Sol 3)… Continue reading NASA releases 360–degree panorama of Perseverance rover landing site

Can someone’s profile photo be searched online and matched to that person’s social media accounts without knowing their name? [closed]

If you have a .jpg image of someone, who you don’t know the name of, are there machine learning websites that can search the internet far and wide for that specific profile photo, and be able to pin-point it to a matching profile photo on … Continue reading Can someone’s profile photo be searched online and matched to that person’s social media accounts without knowing their name? [closed]

How can people be expected to know about security/privacy issues that are actively silenced or never talked about?

I grew up with computers. I had no life as a kid, and none today. In many ways, I’m a stereotype. I’m now eerily rapidly approaching 40.
Yet it was only in the last 5-7 years or so that I started to understand that all kinds of image and v… Continue reading How can people be expected to know about security/privacy issues that are actively silenced or never talked about?