Day to day, it might be tempting to take plants for granted. But you'd do so at your peril; our leafy brethren are staggeringly complex, as revealed when they're put under the microscope. To give ...

Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

Electron microscopy uses a beam of electrons to illuminate a sample and achieve much higher spatial resolution than light microscopy. Transmission electron microscopy generates an image of the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of ...