Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

During the day, green spaces are cooler than the surrounding built-up areas, but this effect is often counterbalanced by increased humidity.

The reverse is true with cooler tones of finishes and fabrics."” Light bulb colors are measured in kelvins, the scientific unit of measurement for thermodynamic (heat) temperature. A lower kelvin ...