xrf vs xrd for geological sample analysis

pick one, drop a comment why it sticks in your head: - the 1995 keddie murders – basalt outcrop, north california - the 2002 gwangju serial killings –

I'm getting a bit frustrated with my 2-year-old's behavior lately. We do the usual - setting boundaries, positive reinforcement, time-outs - but some

I've been working on a personal project and every few months I end up redoing the entire thing because I think the current structure is crap. I'm not

I’ve just come across a new budget robotic arm that claims to be compatible with open‑source firmware and a handful of common microcontrollers. It’s a

I've been staring at this one rock sample for weeks, trying to determine its composition and history. It's been a real challenge, but I think I've fin

I'm still annoyed about the sampling issues we had last week in the field. We spent hours collecting what we thought were decent specimens, only to fi