Kogo-jidagalanw yeelenw tɛ finiw dɔrɔn ye minnu bɛ ji jukɔrɔla yɔrɔw cɛɲi bonya, nka dɔnniya nafa caman bɛ u la fana, minnu bɛ dakunw lajɛ i n’a fɔ ɲɛnayeli, fɛnw dɔnniya, jiko dɔnniya, ani lakanani injiniyɛri. U dilanni n’u waleyacogo bɛ hadamadenw ka ɲɛnamaya kɛcogo ɲuman n’a kurayali jira bi fɛɛrɛ kuraw sababu fɛ.
Ni an y’a lajɛ ni ɲɛnayeli ye, jidagayɔrɔ yeelen minnu bɛ sigi kogo kan, olu bɛ se ka yeelen sɔrɔ min bɛ se ka baara kɛ kosɛbɛ, min fanga ka dɔgɔ- yeelenbɔyɔrɔ kɛrɛnkɛrɛnnenw dilanni fɛ, i n’a fɔ LED fɛɛrɛ. LED lanpanw bɛ yeelenba jira, u si bɛ mɛn, ani u bɛ funteni dɔgɔya, o bɛ kɛ sababu ye ka baara sabatilen kɛ ji jukɔrɔla sigidaw la ka sɔrɔ ka fanga tiɲɛni dɔgɔya. Ka fara o kan, yeelenbɔcogo ni a jɛnsɛnni sariyakolow bɛ baara kɛ ni hakilitigiya ye walasa ka yeelen tila-tila ji kɔnɔ cogo kelen na, ka yɔrɔ minnu yeelen kojugu walima dibi bɛ yen, k’u yɛrɛ tanga yɔrɔw ma, o bɛ kɛ sababu ye ka yecogo lafiyalen dilan.
Fɛnɲɛnɛmako dɔnniya fana nafa ka bon kosɛbɛ kogo-jidagalanw dilanni na. A ka c’a la, lanpan so bɛ dilan ni ɛntɛrinɛti plastikiw ye minnu bɛ se ka sɔgɔsɔgɔ-, minnu bɛ se ka degun-si walima nɛgɛ min tɛ sɔgɔ walasa ka sɔgɔli muɲu ka bɔ kulori, kɔgɔ ani degunba sigidaw la. Sigili fɛɛrɛ bɛ ji don a la, o bɛ farati bali ka kɛ kuran walima kuran bɔli ye. O bɛ kɛ sababu ye ka fɛnw jɔcogo ɲumanba de wajibiya, ji tɛ se ka don minnu na, ani ka baara kɛ ni polimɛri fɛnw ye.
Fluid dynamics fana bɛ nɔ bila kogo-jidaga jidagalanw sigili n’u baara la. Fiɲɛ bilali fɛɛrɛ ka kan ka jateminɛ kɛ ji bolicogo nɔ min bɛ sɔrɔ jɔli sabatili la. Jiginni kɛrɛw ni a jɔyɔrɔ ɲumanw bɛ se ka dɔ bɔ wulicogo la ani ka a to yeelen nɔ tɛ nɔ bila ji bolicogo la.
Min nafa ka bon kosɛbɛ, o ye ko kogo-jidagalanw yeelenw nafa ka bon kosɛbɛ lakana ni dɔnniya siratigɛ la. Ji jukɔrɔla yeelen jɛlen bɛ dɔ bɔ kosɛbɛ binkanni, ɲɔgɔn gosi, walima jigin farati la nakɔbaarakɛlaw fɛ yɔrɔw la minnu yeelen man bon. Kɛrɛnkɛrɛnnenya la su fɛ walima yeelen dɔgɔman-yɔrɔw la, a ka lasɔmini ni bilasirali baara bɛ pisini lakanani sabati.
Kuma surun na, kogo-jidagalanw yeelenw tɛ yeelenbɔlan nɔgɔmanw dɔrɔn ye; u ye fɛɛrɛ caman faralen ye ɲɔgɔn kan, minnu bɛ sɔrɔ fɛɛrɛko caman na. U nafa dɔnniya siratigɛ la, o bɛ ye fanga sɔrɔcogo ɲuman na, fɛnw kɛcogo ɲuman na, jimafɛnw bɛncogo ɲuman na, ani lakana sabatili la, o b’a jira ko fɛɛrɛ kuraw bɛ nɔba bila hadamadenw ka ɲɛnamaya kɛcogo ɲuman na.
