That time a monkey flew to the edge of space
> So when NASA’s young engineers at Langley Research Center in Virginia began testing their new Mercury capsule in flight, they wanted to see whether the accelerations experienced during the abort of a Mercury flight shortly after launch were survivable. Enter Sam, an eight-pound rhesus monkey.
Boosting the Real Time Performance of Gnome Shell 3.34 in Ubuntu 19.10
> As you may have read many times, Gnome 3.34 brings much improved desktop performance. In this article we will describe some of the improvements contributed by Canonical, how the problems were surprising, how they were approached and what other performance work is coming in future.
> The thing is in the case of Gnome Shell its biggest performance problems of late were not hot spots at all. They were better characterised as cold spots where it was idle instead of updating the screen smoothly. Such cold spots are only apparent when you look at the real time usage of a program, and in not the CPU or GPU time consumed.
Nice write-up on addressing stuttering and lag.
What it was like to fly the baddest airplane the world has ever known
> The X-15 was not the first rocket-powered aircraft, but it is probably the best one ever built and flown. Before the first X-15 took flight in the late 1950s, the fastest speed airplanes had reached was Mach 3. The X-15 doubled that. And, remarkably, it also went on to fly into space more than a dozen times.
Wireless nanowire lasers absorb infrared, emit blue light
> So, where will these be used? I’ve no idea at this point, and I don’t really care—I just love the physics. More seriously, it takes a very bright light to turn a laser on like this (think ~1TW/cm2), so the applications will certainly be niche.
> Nano Letters, 2019, DOI: 10.1021/acs.nanolett.9b00510
Quake II gets free real-time raytracing updates on June 6
> Windows and Linux users will be able to download the first three levels of the graphically updated game as shareware starting at 6am Pacific Time on June 6. You can play the remaining levels and multiplayer if you point the installer to a legit copy of the full game on your hard drive. The source code for the Vulkan-based update will be posted on Github as well, though Quake II expansion packs will not be supported without extra effort from the community.
Stealing Downloads from Slack Users
> The vulnerability could have allowed a remote attacker to submit a masqueraded link in a slack channel, that “if clicked” by a victim, would silently change the download location setting of the slack client to an attacker owned SMB share. This could have allowed all future downloaded documents by the victim to end up being uploaded to an attacker owned file server until the setting is manually changed back by the victim.