An apparatus to precisely measure human body movements is disclosed. The apparatus comprises a plurality of devices (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, and 30) that is configured to measure the complete 360 degree rotation of a user’s body on wh...

A device to measure mechanical stretch (100), with a capacitance range of between 50pF and 1,500pF and a sensitivity of 4pF/mm, is disclosed. Said device (100) comprises at least one dielectric film layer (101), said dielectric film layer (101) being a dielectric elastomer made of Silicone material and being sandwic...