Guest blogger: IBM scientists reinvent the record player needle?

Well, not exactly - let me explain.Do you remember the last time you used a record player? For those readers born in the age of CDs and MP3s let me explain. Records have tiny grooves on them with peaks and valley's that are "read" by a tiny needle, which are then projected through a speaker for your listening pleasure. Often though, the needles wear out and eventually break, sometimes