There are already many cheap ESP32 drones on AliExpress, or you can even make an ESP32 DIY drone for about $12, but ...

Our PICO syringes help you deliver a blood sample with high analytical quality. This is because they contain Radiometer’s uniquely formulated dry, electrolyte-balanced heparin. It prevents clots ...

A bridge resonator consisting of a microbeam and a functional composite membrane is proposed in this work for gas detection. The gas molecules adsorbed onto the membrane will generate an axis ...