Top 10 Science and Technology Inventions for the Week of June 25, 2021 Posted on by Hema Viswanath 01. Researchers propose the use of quantum cascade lasers to achieve private free-space communications 02. Mining precious rare-earth elements from coal fly ash with a reusable ionic liquid 03. Outstanding organic solar cells’ performance achieved by using new technology 04. Perovskite memory devices with ultra-fast switching speed 05. Ocean Microbes May Actually Help Moderate Earth’s Temperature, Scientists Say 06. A bright future: Using visible light to decompose CO2 with high efficiency 07. Inkjet printing ‘impossible materials’ 08. Meringue-like material could make aircraft as quiet as a hairdryer 09. Sound-induced electric fields control the tiniest particles 10. Researchers develop a model to better understand the forces that generate tsunamis And others… A Coronavirus Epidemic Hit Humanity 20,000 Years Ago, DNA Study Reveals The first observation of the superscattering effect of metamaterials Harvesting drinking water from humid air around the clock Using satellite data to warn people about volcanic eruptions Which areas will climate change render uninhabitable? Climate models alone cannot say Posted in S&T articles, Weekly Top 10 and tagged Top S&T innovations.