News tagged with radio

The controversy over interstellar messaging

Should we beam messages into deep space, announcing our presence to any extraterrestrial civilizations that might be out there? Or, should we just listen? Since the beginnings of the modern Search for Extraterrestrial ...

dateFeb 20, 2015 in Space Exploration
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Why does the Milky Way rotate?

We live in a galaxy that is called the Milky Way. It's called a barred spiral galaxy, which means that it has a spiral shape with a bar of stars across its middle. The galaxy is rather huge—at least 100,000 ...

dateFeb 11, 2015 in Astronomy
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Transmitting wireless data on higher frequencies

Everything we do that requires a wireless connection uses the radio spectrum. We're able to harness radio waves to listen to music in the car or stream Netflix from the 4G network on our smartphones. Each ...

dateJan 27, 2015 in Telecom
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Thin-film hybrid oxide-organic microprocessor

Holst Centre, imec and their partner Evonik have realized a general-purpose 8-bit microprocessor, manufactured using complementary thin-film transistors (TFTs) processed at temperatures compatible with plastic ...

dateDec 10, 2014 in Semiconductors
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Mobile radio passive radar makes harbors safer

Many coastal areas and harbors go almost unprotected against acts of terror. Soon a new sensor system relying on signal echoes from cell towers can quickly detect even the smallest of attack boats. This mobile ...

dateDec 01, 2014 in Engineering
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German study supports free "Super WiFi"

The need for the wireless transfer of data will increase significantly in the coming years. Scientists at the Karlsruhe Institute of Technology (KIT) therefore propose to turn some of the TV frequencies that ...

dateNov 24, 2014 in Telecom
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