In medieval times, when people didn't have a radar to detect sound, they used to keep their ears to the ground. This alerted them to approaching armies because sound travels faster in solids!
Stay tuned for more interesting factoids with EdTutor!
Don't forget to Like, Share & Subscribe.
👉 Subscribe to EdTutor - https://bit.ly/3u3QZtJ
You can also follow us on our social media platforms
👉 Like On Facebook - / edtutor.official
👉 Follow On Instagram - / edtutor_app
👉 Follow On LinkedIn - / edtutor
👉 Follow On Twitter - / edtutorofficial
👉 Download The Application - https://bit.ly/3wzXyXY
#EdTutor #LearnBetterScoreHigher #Education #OnlineLearning #DidYouKnow #Sound