• the group velocity of a wave packet, one interesting notion of electromagnetism, and also quantum mechanics
• the group velocity appearing in many field of physics such as electromagnetism and quantum mechanics, for physics and science lovers, teachers, and students
• 16” x 16” bag with two 14” long and 1” wide black cotton webbing strap handles.
• Made of a lightweight, spun polyester canvas-like fabric.
• All seams and stress points are double-stitched for durability, and the reinforced bottom flattens to fit more items and hold larger objects.
• Spot clean/dry clean only.