when the tube fills with oil it becomes fully invisibleSubmitted by Pedrao_zao t3_11a76qq in mildlyinteresting
Yeesusman t1_j9qdp85 wrote
Reply to comment by Pedrao_zao in when the tube fills with oil it becomes fully invisible by Pedrao_zao
Yep, index matching oil. We use it all day every day at my job hahaha. My bottles have labels though so I can’t see the effect like yours. Nice!
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