Fluorescent Minerals by Brian Walko

[@rachaelb9164]

That train display was amazing! I am looking forward to seeing the FMS come to the Portland area.

[@joewalkowich9870]

I give this a "glowing" review. I also grew up near the Franklin Mineral "Dump", as it was known back then.

[@mirasaleh4733]

هل الأستاذ اللي يشرح تعرض لجلطه قبل هذا الفيديو او انه جاه التهاب في العصب السابع او الخامس لان الفم بنسبه قليله رايح جهه اليسار لان هذا الشي صار لي قبل التهبت الأعصاب الخامس والسابع وصار فمي كذا وتعالجت وراح ولله الحمد بس للمعلومه أنا عندي السكر الدرجه الثانيه واعتلال الأعصاب قدامه السلامه يارب ويحميه لاهله ❤

[@TEAMJESUS-JOHN316]

So many lies in this video

[@44magnum-n8v]

Sound is awful

[@Craig-nq9uv]

great lecture. too bad about the camera positioning.