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Blog

  • Foldscope Explores… Mosquito Larva!!

    I found an old watering can in my garden. I looked inside and saw that it was filled with water, green algae, and tiny swimming organisms. Sadly, they turned out to be mosquito larvae. But, before I emptied the can, I put them under myFoldscope for a closer look!
  • Summary:

    • Bubbles are only spherical when there are no unbalanced forces acting on their surface
    • Bubbles can get quite large because bubble solution lowers the surface tension of water
    • Share your observations of bubbles with others to show what you learned!
  • If baking soda and baking powder are both composed of the same chemical - sodium bicarbonate (or NaHCO₃), then what is it that makes them act so differently in recipes? And is it possible to see that difference with aFoldscope? Let’s find out by taking a closer look at baking soda and baking powder.
  • Summary:

    • Seeds are composed of only three parts: seed coat, embryo, and food source.
    • The intricate beauty of seeds can be seen in microscopic images.
    • Share your observations of seeds with others to show what you learned!
  • This blog features a fun look at nail polish under a Foldscope. The colors might not be what you would expect!
  • Read to learn about the in person training that took place at the University of Delaware in May 2023!
  • Summary:

    • Dust is a combination of pollen, dirt, insect parts, hair, dust mites, and skin cells.
    • Microscopic organisms like bacteria, mold, and fungi are all around us - even though we can’t see them.
    • A Foldscope and a petri dish can help you to see the dust and microorganisms that live all around us.
    • Share your observations with others to show what you learned!
  • Does your grass smile at you? This blog takes a closer look at grass to see what happens when you put grass under a Foldscope.
  • Have you ever watched an insect fly through the air? How about a maple seed as it gets carried by the wind and floats gently to the ground? Is there anything similar about wings and leaves on a microscopic level that contributes to the ability to fly? This week's blog takes a closer look at these structures under a Foldscope to see!
  • Summary:

    • Vascular plants distribute water and food internally via specialized structures.
    • Xylem moves water up from the roots to the leaves.
    • Phloem moves food up and down to where it is needed.
    • You can see these structures using your Foldscope! Share your observations with others to show what you learned!
  • It is March and all around me plants are starting to emerge from the ground after the cold winter season. It is also the month for St. Patrick’s Day and four leaf clovers! All of these things make me think of the color green and how we can learn more about it under aFoldscope. Let’s take a closer look at what makes something green!