Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively “sniffs” out hazardous chemicals in the air such as chlorosarin — a highly toxic ...

Ever wish you had insight on whether the plants in your home garden are really thriving? A group of Northeastern University researchers recently developed sensors that change color to indicate the ...

The tech industry has spent the last decade asking whether self-driving cars need lidar sensors, cameras, or all of the above. Lidar company Ouster says it has a new answer: put them both in the same ...