Shimoliy qutb esa yodlanish uchun erkin bo'lgan magnit ustuni sifatida aniqlanadi. Boshqacha qilib aytganda, magnitning shimoliy qutb erning shimoliy qutbini qidiradi. Xuddi shunday, magnitning janubiy qutb erning janubiy qutbini qidiradi.
Zamonaviy doimiy magnit magnitlar tobora yaxshiroq magnitlarni yaratish bo'yicha tadqiqotlar orqali topilgan maxsus qotishmalardan qilingan. The most common families of permanent magnet materials today are made out of aluminum-nickel-cobalt (alnicos), strontium-iron (ferrites, also known as ceramics), neodymium-iron-boron (aka neodymium magnets, or "super magnets"), and samarium-cobalt-magnet-material. (Savarium-Cobalt va Neodmium-temir-borat oilalari juda kam uchraydigan erlar sifatida tanilgan).
30 yil davomida magnit echimlarini berishga e'tibor qarating