Not with a clear glass...or a translucent one either ;-)
Answered at 02:57pm on August 13th, 2019 by MagicYoda (9049 karma)
No it cannot be done with a clear glass
Answered at 12:27pm on August 13th, 2019 by germanguy (190 karma)
Additionally, the spectators can't see you pour the liquid into the mug or cup.
Answered at 01:20pm on August 20th, 2019 by tsarowak (30 karma)