Landless2029@lemmy.world to What is this thing?@lemmy.worldEnglish · edit-22 years ago[Challenge-Solved] glass egg thinglemmy.worldexternal-linkmessage-square27linkfedilinkarrow-up176arrow-down15
arrow-up171arrow-down1external-link[Challenge-Solved] glass egg thinglemmy.worldLandless2029@lemmy.world to What is this thing?@lemmy.worldEnglish · edit-22 years agomessage-square27linkfedilink
minus-squareoce 🐆linkfedilinkEnglisharrow-up17·2 years agoA tracer pebble, interesting. But they seem to be rather made of the same pebble they are supposed to trace. https://southerncoastalgroup-scopac.org.uk/tracer-pebble-studies/
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A tracer pebble, interesting. But they seem to be rather made of the same pebble they are supposed to trace. https://southerncoastalgroup-scopac.org.uk/tracer-pebble-studies/
Fascinating!