The HIDDEN Magnets in Your Phone ft. MKBHD

The video features MKBHD and Dianna from Physics Girl exploring the use of magnet paper to visualize magnetic fields in various devices. They discuss the properties of magnet paper, how it reveals magnetic fields, and demonstrate its application on devices like the iPad and Galaxy S10. The video also covers the concept of Halbach arrays, explaining how they create a magnetic field on one side but not the other. The hosts engage in hands-on experiments, showcasing the science behind magnets and magnetic fields.

What is the purpose of using magnet paper in the video?

• To explore magnetic fields in devices

• To create art with magnets

• To test the strength of magnets

• To measure the temperature of magnets

What does the magnet paper reveal about a simple magnet?

• The north and south poles as dark areas

• The weight of the magnet

• The temperature of the magnet

• The color of the magnet

What is the key component in magnet paper that allows it to show magnetic fields?

• Plastic sheets

• Nickel flakes

• Copper wires

• Iron filings

How do nickel pieces in magnet paper align with magnetic fields?

• They emit light

• They vibrate

• They stand upright or lie flat

• They change color

What is a Halbach array?

• A magnet that changes color

• A type of magnet with a field on one side

• A magnet that emits sound

• A magnet that heats up quickly

How can a magnetic field be altered permanently?

• By cooling the magnet

• By using a weaker magnet

• By painting the magnet

• By heating the magnet or using a stronger magnet

What happens when a strong magnet is brought close to another magnet?

• The magnetic field of the weaker magnet is altered

• The magnets change color

• The magnets repel each other

• The magnets become heavier