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Large hard drives are made of trillions of tiny magnets, and information is stored by pointing them in different directions. Electric motors use electromagnets to push and pull to make things spin. Medical imaging such as Magnetic Resonance Imaging (MRI) uses super powerful magnets and radio waves to construct a detailed picture of your body.

True! Planets have elliptical (oval-shaped) orbits they move slightly faster when they are closer to the Sun and slightly slower when they are furthest away.

There are just 31 GPS satellites currently working and they orbit along different paths to cover Earth’s entire surface. These satellites carry extremely precise clocks, and they’re constantly broadcasting the time. A GPS receiver can measure how long it took for that time signal to arrive from the satellite. If the receiver can listen to 4 satellites at the same time, they can find your exact GPS location!

30 degrees Celsius is a very warm day while 30 degrees Fahrenheit is just below freezing! The two scales measure the same temperature at negative 40 degrees.

At least for now, our real-time conversations are not recorded and uploaded! It is important to know that our digital footprint consists of active activities like posting to social media, sending emails and shopping online. It also consists of passive activities like information collected while visiting websites that use cookies.

Squares are kites because you can fold it in half perfectly along a diagonal. They are rhombuses because all their sides are equal, and they are parallelograms because they have two pairs of parallel sides. Trapezoids have no parallel sides, so squares can’t be trapezoids.

In the USA, they call trapeziums trapezoids, and they call trapezoids trapeziums. Very confusing!

Carnivorous. Axolotls mostly eat insects, worms, small fish, crustaceans, and sometimes they even nibble on other axolotls!

Something you show is the odd one out though it may be a way you prove your identity in real life. MFA usually relies on something you know first, like a password and then verifies your identity by sending you a code to your device and/or gathering biometric data like a fingerprint. These combos make your sign in much more secure!

Venezuela. Angel Falls also known as Salto Ángel is created by the Churún River flowing off a flat-topped table mountain, which are called tepui in Spanish.

The colour-sensing cells in our eyes are called cones and there are 3 kinds: red-sensing, green-sensing and blue-sensing. Your brain combines information from lots of cones to see the rainbow spectrum. Scientists estimate we can detect up to 10 million different colours!