5 STEM Toys to Entertain and Enlighten Your Kids

5 STEM Toys to Entertain and Enlighten Your Kids

Now the Crayola folks make a proper chemistry set with 16 out-of-the-box projects and 34 more that use household ­ingredients, from erupting volcanoes and glow worms to three types of slime.$25Styling by Kiki StevensThis article appears in the September issue.

A New Robotic Fly Dips and Dives Like the Real Thing

A New Robotic Fly Dips and Dives Like the Real Thing

In this sense it’s autonomous to a degree, though the researchers remotely pilot it around.To fly forward, DelFly’s motors tilt the two pairs of wings forward, like a helicopter. Taken together, these wing controls produce a range of maneuvers to rival that of the fruit fly.Animation by TU Delft