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How cells build different antennae to sense their surroundings

Cells communicate with each other and with the environment using tiny antennae, called cilia, that emit and receive signals, including sound, smell and light information. Some of these antennae can also move, and are altered ...

Image: Sterilising an antenna for Mars

A ground penetrating radar antenna for ESA's ExoMars 2020 rover being pre-cleaned in an ultra-cleanroom environment in preparation for its sterilisation process, in an effort to prevent terrestrial microbes coming along for ...

A deep space communications hub in the desert

When NASA engineers were looking for a place to build a network of large radio antennas in the 1950s, they knew they needed somewhere quiet. They were going to build a series of antennas with huge parabolic dishes and receivers ...

Dutch radio antenna to depart for the moon on Chinese mission

On 21 May 2018, the Chinese space agency will launch the relay satellite Chang'e 4 to an orbit behind the Moon. On board will be a Dutch radio antenna, the Netherlands Chinese Low-Frequency Explorer (NCLE). The radio antenna ...

Antennas for lighter, more economic communications satellites

A telecommunications engineer at the NUP/UPNA-Public University of Navarre has designed two antenna prototypes for communications satellites; they offer more lightweight solutions, are less bulky than the ones used conventionally ...

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