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Yes, it will stretch it our for you, use a light gel to hold your hair it the roller, magnetic rollers work best for curly hair.
The magnetic materials which can magnetise and de-magnetise easily are called "soft magnetic materials" example:-ferrites,iron-cobalt alloy. The magnetic materials which cannot magnetise and de-magnetise easily are called "hard magnetic materials" example:-aluminium(al),nickel-cobalt alloy.
Its called your hard drive.
Hybrid hard drive
It is known as overwriting, in which a program is used to write zeroes and ones on the hard-drive. Several passes may be made to ensure the original data has been completely overwritten. Simply formatting a hard-drive is no good, as the data is still on the hard-drive, only the links to the data is removed, and the data can be recovered.
planet
The roller birds are called Rollers due to their unique ability to perform some fascinating acrobatic rolling display in flight during courtship.
They are called the magnetic field lines.
magnetic tapes are cheaper
Magnetic storage is used on hard drives and floppy disks. Sectors of the disk are charged magnetically and are easily changed later. Optical storage uses a laser to read data. On a cd/dvd, the laser picks up tiny marks made starting in the center and rotating outward.
Magnetic Earth rocks are those that contain magnetite.
The magnetic force of a magnet is called magnetism.