New

The latest blog posts to take off on Hacker News. 159 posts.

Hardware & Electronics
2015
39

What is Electricity?

Electricity is all around us--powering technology like our cell phones, computers, lights, soldering irons, and air conditioners. It's tough to escape it in our modern world. Even when you try to escape electricity, it's still at work throughout nature, from the lightning in a thunderstorm to the synapses inside our…

42

ARM server market

Microservers and the motivations for microservers have been around for years. I first blogged about them back in 2008 ( Cooperative, Expendable, Microslice, Servers: Low-Cost, Low-Power Servers for Internet-Scale Services ) and even Intel has entered the market with Atom but it’s the ARM instruction set architecture…

44

Why Intel Added Cache Partitioning

Typical server utilization is between 10% and 50%. Google has demonstrated 90% utilization without impacting latency SLAs . Xkcd estimated that Google owns 2 million machines . If you estimate an amortized total cost of $4k per machine per year , that's $8 billion per year. With numbers like that, even small…

57

My Keyboard

I use a Datahand keyboard . It’s the best thing that’s happened to my fingers and wrists since... It’s the best thing that has ever happened to my fingers and wrists. I see a lot of parallels between the Datahand and pure functional programming (lol). They both take lots of commitment. They change the entire way you…