All About Space - - Sci-fi Tech -

The Back to the Fu­ture trilogy is a highly en­joy­able trio of time-trav­el­ling ad­ven­tures, but it is Part II that pre­sents the creators’ vi­sion of 2015. How­ever, Back to the Fu­ture pre­dicted a far more out­landish 2015 than what ac­tu­ally hap­pened just three years ago. One cor­rect pre­dic­tion about 2015 is the pres­ence of hover­boards, like the one Marty McFly (Michael J. Fox) ‘bor­rows’ to make a quick es­cape.

Although they aren’t as wide­spread as the film per­ceives, hover­boards ac­tu­ally ex­ist. The first real one was cre­ated in 2015 by Arx Pax, a com­pany based in Cal­i­for­nia, United States. The com­pany in­vented the Mag­netic Field Ar­chi­tec­ture (MFA™) used to pro­vide the lev­i­ta­tion of a hov­er­board. To ex­plain how this works as sim­ply as pos­si­ble, it means that the board gen­er­ates a mag­netic field, which in turn cre­ates an eddy cur­rent. That then cre­ates an­other op­pos­ing mag­netic field. These mag­netic fields re­pel each other which pro­vides lift.

This is an amaz­ing achieve­ment in bring­ing a com­pletely fic­tional idea from a film first aired in 1989 to re­al­ity. This work has even gone so far as to be recog­nised by NASA, who in the same year of 2015 en­tered into a Space Act Agree­ment to use the same MFA™ tech­nol­ogy to cre­ate ‘mi­cro-satel­lite cap­tur­ing de­vices’, al­low­ing them to ma­nip­u­late CubeSats.

Recharge­able mag­netsThe en­gines con­sist of charged mag­net­ics that can be recharged af­ter the mag­nets are drained.

Cop­per ‘hov­er­park’In order to en­joy this hov­er­board, the ‘hov­er­park’ must be coated in cop­per, a con­duc­tive ma­te­rial.

Mag­netic lev­i­ta­tion With the in­duc­tion of two op­pos­ing mag­netic fields, elec­tro­mag­netic re­pul­sion oc­curs, caus­ing the hov­er­board to lev­i­tate off the ground.

Marty McFly was able to hover over any sur­face, even wa­ter, with the hov­er­board

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