Some under ice views from beautiful lake Saarijärvi in Vaala, Finland.
Pelicans in the Sea of Cortez are our guide to the incredible flying Devil Rays.
Despite a shaky European and the recent prominent failure of a U.S.-based panel manufacturer, the solar market at large has continued its upward trajectory of rapid growth in the last two years. Lower costs, new applications, and plenty of investor interest have helped these 10 countries become the world's leaders in installed solar.
The Kelvin–Helmholtz instability, after Lord Kelvin and Hermann von Helmholtz, can occur when velocity shear is present within a continuous fluid, or when there is sufficient velocity difference across the interface between two fluids. One example is wind blowing over a water surface, where the wind causes the relative motion between the stratified layers (i.e., water and air). The instability will manifest itself in the form of waves being generated on the water surface. The waves can appear in numerous fluids and have been spotted in clouds, Saturn's bands, waves in the ocean, and in the sun's corona.
2000 year old food forest in Morocco.
The two-wheeled key to better health and a better world.
