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Chemistry Instructors Can Now Combine PASCO Wireless Sensors with Sophisticated Software for Data Collection and Analysis...

But not only plants have the "lotus effect," which Professor Wilhelm Barthlott of the University of Bonn discovered four decades ago. Land living Cyanobacteria (Hassallia byssoidea) also use extreme water repellency to protect themselves from water films and competitors.

The high share of buildings in energy consumption and carbon dioxide emission has led researchers to seek techniques to reduce energy consumption in this sector. In this study, considering a hot and arid climate region, the wall's heat gain was investigated. To reduce energy demand, three techniques of adding PCM, combining absorption chiller with a solar system and dispersing nanoparticles were used and the results were evaluated transiently. In July, the addition of PCM to the building's walls reduced the heat exchange between interior and exterior spaces up to 21%. To cool the inter...

Submitted Students at Spanish Fort High School had fun in chemistry before summer vacation began. Students demonstrated Intermolecular Forces with everyday objects. For example, they found that the dye from Gobstoppers dissolves in water yet remains separated. Students also enjoyed the mystery of lava lamps while observing IMFs. Other items that may interest you