【HD Monocular Telescope】The monocular equipped with BAK4 prism, have 99.9% transmittance,perfect for bird watching, concerts, hiking, travel,allows you to observe nature and wildlife in the ...

【HD Monocular Telescope】The monocular equipped with BAK4 prism, have 99.9% transmittance,perfect for bird watching, concerts, hiking, travel,allows you to observe nature and wildlife in the ...

The best monocular may not be the first thing that comes to mind when you think of devices that will help you view wildlife, birds or the night sky, but depending on your viewing habits ...

Inspired by the concept but lacking a giant laser, [Tom Stanton] build a small craft powered by a vortex cannon. Creating a vortex is hard enough, but creating a vortex with enough oomph to travel ...

The process of vortex ring generation and propagation has received substantial treatment in the literature. A common ring generation geometry consists of a piston moving through tube that exits into a ...

Swiss market technicians Etienne Botes and Douglas Siepman introduced the vortex indicator (VI) in the January 2010 issue of the magazine Technical Analysis of Stocks and Commodities.

A mass of frigid air brought on by a "polar vortex" invaded the U.S. on Monday, bringing bitter cold to the Midwest and eastern United States. Read more weather coverage. The polar vortex that is ...

Inspired by the concept but lacking a giant laser, [Tom Stanton] build a small craft powered by a vortex cannon. Creating a vortex is hard enough, but creating a vortex with enough oomph to travel ...

Solo travel at its best is deliciously self-indulgent: eat whatever and whenever you want, spend as long or as little as you like in a place, skip famous sights, sign up for the super cheesy.

The transitional regime of vortex development is marked by the appearance of an instability on the perimeter of the vortical structure. The instability mechanism appears to be centrifugal in nature.