Scientists developed the ATS, which consists of shallow, 100-foot raceways of nylon netting where algae colonies can form, and studied its efficacy for three years.
sˈaɪəntɪsts dɪvˈɛləpt ðɪ ˌeɪtˌiːˈɛs, wˌɪtʃ kənsˈɪsts ʌv ʃˈæloʊ, wˈʌnhˈʌndɹɪdfˈʊt ɹˈeɪsweɪz ʌv nˈaɪlɑːn nˈɛɾɪŋ wˌɛɹ ˈælɡiː kˈɑːləniz kæn fˈɔːɹm, ænd stˈʌdid ɪts ˈɛfɪkəsi fɔːɹ θɹˈiː jˈɪɹz.