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Swedish researchers have developed an electrically conductive "soil" for soilless cultivation, known as hydroponics.

<p>Barley seedlings grow on average 50% more when their root system is stimulated electrically through a new cultivation substrate. In a study published in the journal PNAS, researchers from Link&ouml;ping University, Sweden, have developed an electrically conductive &ldquo;soil&rdquo; for soilless cultivation, known as hydroponics.&nbsp;</p>

The vast potential of high-frequency terahertz waves extends to various applications, such as cutting-edge medical imaging and communication.

<p>High-frequency terahertz waves have great potential for a number of applications including next-generation medical imaging and communication. Researchers at Link&ouml;ping University, Sweden, have shown, in a study published in the journal <em>Advanced Science</em>, that the transmission of terahertz light through an aerogel made of cellulose and a conducting polymer can be tuned. This is an important step to unlock more applications for terahertz waves.</p>

One of nature’s most common organic materials – lignin – can be used to create stable and environmentally friendly organic solar cells. Researchers at Linköping University and the Royal Institute ...