Bubble Tea is the known name for a beverage that has many unusual names. Other names include; tapioca pearl drink, tapioca ball drink, pearl shake, pearl tea, black pearl tea, big pearl, boba tea, boba ice tea, boba nai cha, milk tea, bubble drink, zhen zhu nai cha, momi, momi milk tea, QQ, BBT, PT, and many other names. This drink is far from the sweet tea that you may be familiar with.
Candlepower (abbreviated as cp) is an obsolete unit expressing luminous intensity, equal to 0.981 candelas.
Illuminance = Light Falling on a Surface. The amount of light falling on a surface is illuminance, and is measured in lux (metric unit = lumen/m 2) or foot-candles (English unit = lumen/ft 2).1 footcandle equals 10.8 lux.he amount of light that travels in certain directions from the source is called the  luminous intensity  and is measured in candelas. A candle emits about one candela in all directions (this candle would emit a total of 12.6 lumens â learn more about lumens, solid angles, and candelas on Wikipedia).