The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

The 4-H program offers more than 200 projects, but if youth want to explore a topic not on the list, they can create their ...

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Shreyas Sen is the Founder and CTO of Quasistatics, Inc. (dba Ixana), which develops Wi-R, a wireless body-area communication technology. He owns shares in the company. How do headphones, toys, ...

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Catalysts are essential to modern industry, accelerating reactions used to produce everything from fertilizers and fuels to medicines and hydrogen energy. But until now, scientists could not directly ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...