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Submission + - Midi synth/sequencer for MenuetOS

An anonymous reader writes: You can use upto 256 instruments, which receive at differerent midi channels and note ranges. It has displays for sequencer tracks, synth, mixer, piano roll and notation.Menuet scheduler runs at 1000hz and can be set as high as 100000hz (100khz). So the limiting latency factor is usually sound cards buffer length. The sequencer, like MenuetOS, is written in 64bit assembly.

https://www.reddit.com/r/synth...
https://www.menuetos.net/

Submission + - MenuetOS video call demo (youtube.com)

An anonymous reader writes: MenuetOS is an operating system in development for PC, written completely in 64bit assembly language. Features include pre-emptive and real-time multitasking with multiprocessor support and Graphical User Interface. Menuet64 (2005) is released under License and Menuet32 (2000) under GPL. Menuet supports assembly programming for much faster, smaller and less resource hungry applications.
Power

Submission + - Big Bang Could Be Recreated Inside A Metamaterial (technologyreview.com)

KentuckyFC writes: "Metamaterials are substances with a permittivity and permeability that has been manipulated in a way that allows fine control over the behaviour of light. They have famously been used to create an invisibility cloak that hide objects from view (see, for example, here or here). Now one physicist in the US has calculated how they could be used for a much more profound demonstration: to reproduce the behaviour of light in various kinds of spacetimes, in particular a (2+2) spacetime (which means having two dimensions of space and two of time). His method is to show that there is formal mathematical analogy between the way metamaterials and spacetimes effect light. He goes on to show how a phase transition in a (2+2) spacetime leads to the creation of a (2+1) spacetime filled with photons, an event that is analogous to the Big Bang."
Space

Submission + - NASA Developing Nuclear Reactor for Moon and Mars (technologyreview.com) 1

Al writes: "NASA recently finished testing a miniature nuclear reactor that would provide power for an astronaut base on the Moon or Mars. The reactor combines a small fission system with a sterling engine to make a "safe, reliable, and efficient" way to produce electricity. The system being tested a NASA's Glenn Research Center can produce 2.3 kilowatts and could be ready for launch by 2020, NASA officials say. The reactor ought to provide much more power than solar panels but could prove controversial with the public concerned about launching a nuclear power source and placing it on the moon or another planet."
Security

Submission + - The home-made hard disk destroyer (pcpro.co.uk)

Barence writes: "All businesses have sensitive data they need to destroy when they replace PCs, but disposing of hard disks properly can be an expensive business. This has led one IT manager in the UK to come up with his own, home-made solution — Bustadrive. It uses a powerful "hydraulic punch" to physically deform a hard disk, rendering it virtually unreadable, and requires nothing more than a pull of the lever on the front — similar to a drinks can crusher. PC Pro tested the Bustadrive, and also sought the opinions of data destruction companies as to whether the device was really as effective as hoped, or just a fun way to mangle a hard disk or two."
Sci-Fi

Antimatter Molecule Should Boost Laser Power 211

Laser Lover writes "Molecules made by combining an electron with their anti-particle positron have been created by researchers at the University of California Riverside. The team's long term goal is to use the exotic material to create 'an annihilation gamma ray laser', potentially one million times more powerful than existing lasers. 'An electron can hook up with its antiparticle, the positron, to form a hydrogen-like atom called positronium (Ps). It survives for less than 150 nanoseconds before it is annihilated in a puff of gamma radiation. It was known that two positronium atoms should be able to bind together to form a molecule ... '"

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