▁from ▁Fin ch ley ▁Category : English ▁rock ▁guitar ists ▁Category : No ▁Plan ▁B ▁( band ) ▁members ▁Category : P ete ▁Town sh end ▁Category : C as bah ▁Club ▁members ▁Category : The ▁Who ▁members <0x0A> </s> ▁J ens ▁Christian ▁Mad sen ▁( born ▁ 1 ▁February ▁ 1 9 7 0 ) ▁is ▁a ▁Dan ish ▁footballer . ▁He ▁competed ▁in ▁the ▁men ' s ▁tournament ▁at ▁the ▁ 1 9 9 2 ▁Summer ▁Olympics . ▁ ▁References ▁ ▁Category : 1 9 7 0 ▁birth s ▁Category : L iving ▁people ▁Category : Dan ish ▁football ers ▁Category : Den mark ▁international ▁football ers ▁Category : O lymp ic ▁football ers ▁of ▁Den mark ▁Category : Foot ball ers ▁at ▁the ▁ 1 9 9 2 ▁Summer ▁Olympics ▁Category : S ports people ▁from ▁C open hagen ▁Category : Associ ation ▁football ▁mid field ers <0x0A> </s> ▁R are - ear th ▁magnet s ▁are ▁strong ▁permanent ▁magnet s ▁made ▁from ▁allo ys ▁of ▁rare - ear th ▁elements . ▁Develop ed ▁in ▁the ▁ 1 9 7 0 s ▁and ▁ 1 9 8 0 s , ▁rare - ear th ▁magnet s ▁are ▁the ▁strong est ▁type ▁of ▁permanent ▁magnet s ▁made , ▁producing ▁significantly ▁stronger ▁magnetic ▁fields ▁than ▁other ▁types ▁such ▁as ▁fer rite ▁or ▁al nico ▁magnet s . ▁The ▁magnetic ▁field ▁typically ▁produced ▁by ▁rare - ear th ▁magnet s ▁can ▁exceed ▁ 1 . 4 ▁t es las , ▁whereas ▁fer rite