Mara Johnson Groh - Profile and Journalist Details
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Mara Johnson Groh
Verified
Writer and Photojournalist, Freelance
Beats
Biography
Mara Johnson-Groh works as a science writer and photographer who writes about everything under the sun (and even things beyond it). She writes about new discoveries in space as a science writer for NASA and freelances for for magazines and online publications on a variety of topics from science to travel to the outdoors. She also writes video scripts for various science shows. Her work has won recognition and garnered millions of views.
Physics , Space, Biology, Chemistry , Environmental Sciences , More, Geology , Astronomy
Baseball, College Basketball
Content
By Mara Johnson Groh Verified| optica-opn.org@ Research News Mara Johnson-Groh Photo and schematic of the fiber probe and laser coupling unit. [Image: E. Pshenay-Severin et al.] [Enlarge image]A custom-designed fiber optic cable reportedly may help surgeons better map and remove cancerous tumors (Light Sci. Appl., doi: 10.1038/s41377-021-00648-w).
By Mara Johnson Groh Verified| AIP Publishing@ Vortices swirling in fluids can make beautiful patterns, but they also can reduce hydraulic machinery safety. Specifically, cavitation vortex ropes can increase pressure fluctuations and decrease stability and performance in hydraulics. Li et al. explore the generation and transformation of cavitation vortex ropes in swirling flows to help improve hydraulic instabilities in machinery.
By Mara Johnson Groh Verified| AIP Publishing@ Lead-free perovskite solar cells are an emerging design that can replace lead-based cells, which are environmentally impactful. However, such designs suffer from low power conversion efficiencies due to the fast crystallization process that creates uneven surfaces and defects. Yang et al. created a solution for this problem using additive engineering.
Company Info
Freelance
Freelancer.com is the largest freelancing and crowdsourcing marketplace in the world, connecting over 81 million employers and freelancers across more than 247 countries. Founded in 2009 and based in Sydney, Australia, the platform allows employers to post jobs while freelancers can bid on these projects. It is publicly traded on the Australian Securities Exchange under the ticker ASX:FLN. The platform supports a variety of work categories, including software development, writing, design, and marketing. Freelancer.com also offers contests for creative work, where employers can award prize money to winning entries. Users can choose from different membership plans, including free and paid subscriptions, which provide various benefits. The mobile app enhances project management and communication for users on the go. With a diverse customer base that includes individuals, small businesses, and large enterprises, Freelancer.com plays a significant role in the global online economy.
De Pere, Wisconsin, United States