Most plants use colorful flowers to attract their favorite pollinators. But Marcgravia evenia is trying to attract bats, so it needs to do things a little differently, leading to some unique-shaped leaves.

NASA has announced that it is building a new satellite dish as part of the Deep Space Network that would be able to communicate with far away robotic spacecrafts. <br/>

In this video the focus is on where and why concave mirrors are used, as well as the image formation and types of images. Students will learn that concave mirrors are used in many ways to magnify objects, create real and virtual images...

MS View of parabola on rooftop / Le Caire, Egypt

MS Rusty parabola on buildings / Hong Kong, China

MS View of building with parabola / Le Caire, Egypt

WS Rusty parabola on building / Hong Kong, China

WS View of rooftops with parabola and parking cars / Le Caire, Egypt

WS PAN Building with parabola for sound / Le Caire, Egypt

WS ZI Building with parabola for sound / Le Caire, Egypt

MS PAN Roofs with parabolas / Le Caire, Egypt

MS Shot of sunrise with birds flying over parabolas / Le Le Caire, China

MS Shot of sunrise with birds flying over parabolas / Le Le Caire, China

Communications Satellite

Radar Antenna Is searching for targets,HD1080p,ALPHA

Satellite dishes operate in a grassy field for the U.S. Geological Survey in Bozeman, Montana.

TV antenna, Communication satellite dish. The problem is no signal when it rains is concept. raining season

communication grid

Radio Telescope

Satellite in orbit.

Time lapse of a radio telescope probing the night sky

Time lapse of a radio telescope probing the night sky

Time lapse of a radio telescope probing the night sky

Satellite in orbit.