The Cross Product Between Two Vectors Definition Let u = ai + bj + ck and v = di + ej + fk be vectors then we define the cross product v x w by the determinant of the matrix:
Huperzia serrata is a rare Chinese herb which contains a powerful alkaloid called Huperzine A (Hup A for short). According to studies, Hup A has been proven to be beneficial in protecting the brain, including slowing the progression of Alzheimer's disease.
Hoppip (Japanese: ãããã³ Hanekko) is a Grass/Flying-type introduced in Generation II. Hoppip are small, spherical cat-like creatures, with long leaves protruding from their head. Hoppip are pink in color. They have small, gripping feet and ears disproportionate to their body, used to listen for winds.