Magnetic control

This video highlights recent scientific discoveries and innovations. It covers the use of powerful magnets to control heat and sound, the development of a humidity-sensing bio robot, and advancements in tornado tracking with the CASA radar system. The video concludes with a call to explore more science news online.

What is the key discovery about controlling heat and sound mentioned in the video?

• Using a magnet to steer heat and sound

• Using lasers to control sound

• Using electricity to manage heat

• Using water to direct sound

What is the main advantage of the new humidity-sensing bio robot?

• It can be used underwater

• It is larger and more durable

• It detects humidity changes faster than advanced sensors

• It is cheaper than conventional sensors

What is the potential application of the bio robot in space missions?

• Detecting alien life

• Navigating spacecraft

• Signaling possible leaks

• Communicating with Earth

What percentage of tornado reports are false alarms according to the video?

• 50%

• 60%

• 90%

• 75%

What is the main benefit of the CASA radar system?

• It is easier to maintain

• It covers a larger area

• It is cheaper to build

• It provides quicker and more accurate alerts