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发送一条短信使用伏特加分子& # 8211第一连续分子沟通

发布日期:2018-09-17 作者:admin

In nature, organisms communicate in various ways, be it through acoustic or biological signals。 Insects, for instance, communicate and relay important information, such as a threat to a hive, using pheromones –; an excreted chemical with a particular signature。 Scientists at the University of Warwick in the UK and the York University in Canada have created a molecular communications system which they used to send a continuous signal, like a text message, just by spraying alcohol molecules。 The system in a more advanced form could facilitate communication in environments where electromagnetic waves can’;t be used, like through pipelines or oil rigs。

N。 Farsad et al。/PLOS ONE

N。 Farsad et al。/PLOS ONE

Previous attempts also relayed information using molecular signaling, however this is the first time continuous data transmission has been achieved。 Moreover, the system was built using off-the shelf components with an overall cost that doesn’;t exceed $100。

Molecular receiver: one of three sensors (for various types of tests) demodulates the incoming signal by assigning the bit 1 to increasing concentration and 0 to decreasing。 The binary data is converted back to letters in the Arduino board and sent via serial port to a computer for display。 (Credit: N。 Farsad et al。/PLOS ONE)

Molecular receiver: one of three sensors (for various types of tests) demodulates the incoming signal by assigning the bit 1 to increasing concentration and 0 to decreasing。 The binary data is converted back to letters in the Arduino board and sent via serial port to a computer for display。 (Credit: N。 Farsad et al。/PLOS ONE)

The message is inputted through an LCD Shield Kit then encoded by an Arduino board as a binary sequence –; 1 corresponds to higher concentration of molecules, while 0 to lower concentration。 In their demonstration, the researchers programmed a sprayer to release evaporated alcohol molecules several meters across open space before it was decoded by a receiver。 The message was “;O Canada”; –; a tribute to the Canadian national anthem。

本文源自: AG环亚官网

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