# Key Points from IRC Log (March 24, 2015)

* MIT researchers developed "The Visual Microphone," a technique that uses high-speed cameras (5000 FPS) to recover audio by detecting subtle vibrations in objects, leveraging rolling shutter effects (http://people.csail.mit.edu/mrub/VisualMic/).

* Rubenstein's earlier work on displaying subtle movements in video was shared, including "Analysis and Visualization of Temporal Variations in Video" and "Phase-Based Video Motion Processing," which analyzes micro-movements in video footage.

* An open-source engine control unit project called RusEfi was discussed, which aims to create affordable electronic fuel injection (EFI) control options for experimental engines, leveraging low-cost embedded processing boards.

* Ohio State University researchers developed a new heat-management material that can absorb or release heat as needed, potentially useful for temperature regulation in various applications (http://news.osu.edu/news/2015/03/23/heatmag/).

* Red Hat shared developments in live migration technology for QEMU-KVM virtual machines, allowing VMs to be moved between hosts without downtime (http://developerblog.redhat.com/2015/03/24/live-migrating-qemu-kvm-virtual-machines/).

* A deterministic debugging tool called "rr" was mentioned (http://rr-project.org/), which enables process replay and deterministic debugging for more reliable software testing.