As executive director of Girls Who Code, Kristen Titus heads up one of the most high-profile efforts to address gender imbalances in the tech world. The project aims to introduce teenage girls to computer science, a field that promises to be among the most significant job-growth industries in coming decades.
Need light? Look no farther than the palm of your hand—literally. Ann Makosinski’s “hollow flashlight,” her winning design from the 2013 Google Science Fair competition, is made from Peltier tiles that produce energy when one side is heated and the other side remains cool. Using only the warmth of her hands for energy, this Canadian teen’s flashlight is able to produce a steady beam of LED light for 20 minutes.
A former Goldman Sachs trader, Fred Ehrsam left Wall Street to co-found Coinbase, an online payment system with the stated mission of making bitcoin, an unregulated and increasingly popular form of digital currency, easy to use. The company, with roots in the Y Combinator startup incubator, now processes bitcoin payments for the likes of OkCupid and Reddit.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.