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Engineering and Materials

  • Ask the expert

    Decaf Coffee?

    How is chemistry used to produce decaffeinated coffee, and is it indeed better for your health compared to regular coffee?

    Lavi Bigman December 28, 2022 זמן קריאה משוער 7 7 min
  • Ask the expert

    The Secret of Baking Soda

    Baking soda is recommended for use as deodorant, toothpaste and stain remover. Does it actually do all these, and if so - how?

    Lavi Bigman October 27, 2022 זמן קריאה משוער 4 4 min
  • Science History

    The Invention That Altered History - The Slide Rule

    The 400th anniversary of the invention of the slide rule

    Yuval Rosenberg, Ph.D June 22, 2022 זמן קריאה משוער 6 6 min
  • Science Panorama

    Making Food Out Of Thin Air

    Bacteria, lab cultures and solar energy utilization. To feed the planet's ever-growing population new and more efficient food sources are necessary

    Amit Binyamin October 17, 2021 זמן קריאה משוער 8 8 min
  • Science Panorama

    The Olympic Games - Swifter, Higher, Stronger

    Everything about the Olympic Games - from antiquity to their revival in the modern age.

    Ettay Nevo August 5, 2021 זמן קריאה משוער 12 12 min
  • Ask the expert

    The Scientific Magic of Teflon

    Why does nothing stick to Teflon? And how is it applied to pots and pans nonetheless?

    Yiftach Divon June 10, 2021 זמן קריאה משוער 3 3 min
  • Order Out of Chaos

    The Periodic Table’s Precious Metals

    Beyond gold: Some metals cost tens of thousands of dollars per kilogram, and radioactive elements fetch even more.

    Ori Taichman April 1, 2020 זמן קריאה משוער 9 9 min
  • Science at Home

    The Plumbers’ Secret Code

    Write a secret message that only you can read, using just some magic tape

    Dr. Avi Saig March 21, 2020 זמן קריאה משוער 3 3 min
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