E-Four (short for Electrical 4WD System), eFour, AWD-i, or AWD-e was developed by Toyota. Front wheels are powered directly by the hybrid powertrain, rear...

In standard tuning (E A D G B E), four of the instrument's six open (unfretted) strings are part of the tonic chord. The key of E minor is also popular...

called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. The term vitamin does not include the three other...

The four temperament theory is a proto-psychological theory which suggests that there are four fundamental personality types: sanguine, choleric, melancholic...

Ionian: E F♯ G♯ A B C♯ D♯ E E Dorian: E F♯ G A B C♯ D E E Phrygian: E F G A B C D E E Lydian: E F♯ G♯ A♯ B C♯ D♯ E E Mixolydian: E F♯ G♯ A B C♯ D E E Aeolian:...

dimensions; similarly four-momentum is a four-vector in spacetime. The contravariant four-momentum of a particle with relativistic energy E and three-momentum...

The Gang of Four (simplified Chinese: 四人帮; traditional Chinese: 四人幫; pinyin: Sì rén bāng) was a Maoist political faction composed of four Chinese Communist...

The Fantastic Four: First Steps (stylized as The Fantastic 4: First Steps) is an upcoming American superhero film based on the Marvel Comics superhero...

Four Loko is a line of alcoholic beverages sold by Phusion Projects of Chicago, Illinois, United States. Four Loko's recipe formerly included caffeine...

In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map...