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Mae’n ddrwg gennym ‘dyw’r bennod yma ddim ar gael ar hyn o bryd

Pennod 3

Golwg ar nitrogen hylifol, sy'n gallu rhewi pethau'n syth a chreu ffrwydradau! A look at liquid nitrogen, which can instantly freeze things and cause explosions!

11 o funudau

Darllediad diwethaf

Sad 24 Medi 2022 08:20

Darllediadau

  • Llun 18 Medi 2017 17:05
  • Sad 23 Medi 2017 09:50
  • Iau 25 Hyd 2018 17:35
  • Mer 27 Maw 2019 17:25
  • Maw 14 Ion 2020 17:05
  • Sad 24 Medi 2022 08:20