Schematic of the electricity-generating suspended-load backpack. (circa 2005)

The compass-gait model of walking where the body vaults over a straightened leg, raising the torso and backpack 5-7 cm.

Schematic of the ergonomic suspended-load backpack (from Nature, circa 2006) © Nature.

Depiction of the relative load position for the suspended-load backpack during walking. (Illustration by E. Goldman.)

Electricity/Ergonomic pack with droppable loads (circa 2011)

Coming soon.