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 are small, spherical creatures, with long leaves protruding from their head. Judging from its evolutions, and the fact that it's leaves are long and jagged, Hoppip may be designed after the same life cycle of a Dandelion plant.