Φ (Phi)
Φ (Phi)is the 21st letter of the Greek alphabet. In modern Greek, it represents [f], a voiceless labiodental fricative. In Ancient Greek it represented [pʰ], an aspirated voiceless bilabial plosive.
It represents, among other things, the golden ratio 1.618 in mathematics, art, and architecture.
Seen at Ryhope Pumping Station, Sunderland
Furhter reading:
en.wikipedia.org/wiki/Phi_(letter)
Φ (Phi)
Φ (Phi)is the 21st letter of the Greek alphabet. In modern Greek, it represents [f], a voiceless labiodental fricative. In Ancient Greek it represented [pʰ], an aspirated voiceless bilabial plosive.
It represents, among other things, the golden ratio 1.618 in mathematics, art, and architecture.
Seen at Ryhope Pumping Station, Sunderland
Furhter reading:
en.wikipedia.org/wiki/Phi_(letter)