Everand Logo

Welcome to Everand!

  • BBC Science Focus Magazine

    BRAIN GAMES 2021

    Dec 01, 2021 8 minutes

    SNOWED IN

    Nick and his sleigh are stranded in the woods. He is desperate to get back to his cabin in time for Christmas to deliver presents to his children. His usual route would take him in a straight line directly to his cabin, but a snow drift is blocking his way. Instead he must take a lengthy diversion. Nick sledges three kilometres east to the frozen lake, before turning his sleigh 135° clockwise and travelling 1,300 metres to the reindeer stable. According to his sat-nav he is now 500 metres further south than the frozen lake. Nick then rotates his sleigh 45° clockwise, and travels 1,275 metres to his cabin. How much further has Nick had to travel due to the diversion?

    COLD AS ICE

    Samuel is captaining an expedition to Antarctica on a ship. A mist has descended and the temperature has dropped to -15˚C, making the journey treacherous. Samuel is aware of an iceberg up ahead, but he is not sure how far it is from the ship. He stops the ship and sounds his foghorn. He hears the echo of the foghorn 5.2 seconds later. Samuel uses his knowledge about the speed of sound to determine the distance from the iceberg. He knows that the speed of sound at 0˚C is 331

    You’re reading a preview, subscribe to read more.

    More from BBC Science Focus Magazine

    BBC Science Focus Magazine1 min read
    Inside The 3d, Nanoscale Atlas That Reveals A Fraction Of The Human Brain
    Five thousand slices of brain, each the width one-thousandth the thickness of a human hair, individually scanned. That's what it took to make this image: a microatlas of the human brain. In just a single cubic millimetre, it contains 57,000 cells, 23
    BBC Science Focus Magazine2 min readDiet & Nutrition
    Intermittent Fasting And Correctly Timed Workouts Are Key To Fat Loss, Says Study
    A new study has not only found that time-restricted eating is most effective when combined with high-intensity exercise, but also that the timing of these two approaches could enhance their benefits. Time-restricted diets limit when, but not what, yo
    BBC Science Focus Magazine3 min read
    Retro, Reimagined: The Tech Bringing Back The Good Old Days
    Let's get real for a second. Handheld gaming has never quite managed to live up to the Game Boy era. Sure, there's been the Nintendo Switch, the Steam Deck and even the PSP, but nothing quite like the classic Game Boy. While all of these devices have

    Related Books & Audiobooks