The impact of checking your phone before going to bed

Staring at screens right before sleep turns out to be a lot worse than previously thought. Dr. Dan Siegel, clinical professor of psychiatry at the UCLA School of Medicine, lays out all of the negative effects bedtime screen viewing can have on the brain and body. Can’t see the video? Check the original here.

Super Mario World “Credits Warp”

Fascinating trick in which one actually reprograms Super Mario World by just playing it to make it start playing the end credits upon triggering a crash: The goal of this run is to trick the game into playing the credits in the first level. It works by using a glitch to allow yoshi to eat …

Facebook Engineering: Introducing 6-pack, the open hardware modular switch

The “6-pack” platform is the core of our new fabric, and it uses “Wedge” [a custom built network switch] as its basic building block. It is a full mesh non-blocking two-stage switch that includes 12 independent switching elements. Each independent element can switch 1.28Tbps. We have two configurations: One configuration exposes 16x40GE ports to the …