ch 1 lesson 1 part 2 (19 _ 37)
2:09:11
ch 1 lesson 2 part 6 (ammeter and voltmeter reading)
12:58
Trump Gives Doozy of a Press Conference About Gaza & Ariana Grande Sings a Song She’s Never Seen
1:06:15
wave motion part 1 (1 _ 40)
1:11:03
[Playlist] ✹ Nostalgia. - chill and groovy vibes with relaxing jazzy soundtracks
1:23:48
ch 2 lesson 3 (total internal reflection)
1:04:20
Ludovico Einaudi [relax, study, sleep, soft, calm, inspired piano medley]
42:33
ch 1 lesson 3 part 2 ( Q31 _ Q41 )
1:42:46