Main content
Mae鈥檔 ddrwg gennym 鈥榙yw鈥檙 bennod yma ddim ar gael ar hyn o bryd

Cymry Radio

Sut mae hanes radio a radar yn dibynnu ar ddawn gwyddonwyr o Gymru. How the history of radio and radar depends upon the talent of Welsh scientists and the remarkable Welsh landscape.

27 o funudau

Darllediad diwethaf

Sad 14 Gorff 2018 15:30
S4C

Rhagor o benodau

Blaenorol

Planhigion

Nesaf

Clir Fel Crisial

Gweld holl benodau Dibendraw

Darllediadau

  • Maw 26 Mai 2015 21:30
    S4C
  • Sad 20 Meh 2015 13:00
    S4C
  • Sul 17 Ebr 2016 18:25
    S4C
  • Mer 20 Meh 2018 18:05
    S4C
  • Sad 14 Gorff 2018 15:30
    S4C