We’ve all had a long couple of months, coming up with ways to keep the kids occupied while you work from home. And we’ve surrendered to letting them play on screens way more often than we care to ...

1. Take a rectangular origami paper and fold it in half. 2. Then fold it partially, to make a crease on top. 3. Fold the two upper corners to form a triangle. 4. Now fold both the bottom layers of the ...

This experiment shows how to fold a square piece of paper into a water bomb (also known as an origami balloon). By carefully ...

Note: You can use any lightweight paper medium for this activity. A4 construction paper will suffice. Wrapping paper is easier to fold. Fold time: Diagonally fold a large paper rectangle (A4 or larger ...

If you want to print something a few inches tall, extruded plastic is a good medium. But when you need something at the nanometer scale, DNA is a better bet — but who has the time to design and ...