Because I just wrote about Lua: probablycorey's wax provides an Objective-C bridge to Lua, specifically for iOS devices. So you can write iPhone or iPad apps with Lua.
Archive 27. November 2010
Have tracing JIT compilers won? | Lambda the Ultimate. Interesting discussion in which Mike Pall (LUAJit), Brendan Eich (Mozilla JägerMonkey) also participate (and specifically LUAJit is currently the King of the Mountains in terms of performance). PyPy is also mentioned, though still at a much older stage - the new 1.4 already shows much better what is possible with PyPy.
PyPy Status Blog: PyPy 1.4: Ouroboros in practice. And with that, PyPy has now also arrived at the JIT in 64bit. In addition, VirtualEnv now works smoothly if you install a current version. And it's still fast.
Build a Bootable Rescue SD Card For Your Mac | Mac|Life. I didn't know that Macs can also boot from SD cards.
IKVM.NET Home Page provides a Java VM in .NET - you should even be able to do crazy things like running Scala 2.8 on .NET with it.