Gift Article 10 Remaining As a subscriber, you have 10 articles to gift each month. Gifting allows recipients to access the article for free. Boat propeller manufacturer Sharrow Engineering plans to ...

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As industries across the board strive for greater efficiency and cost savings, a new technology has emerged as a potential solution: the toroidal propeller. This innovative propeller design, inspired ...

When comparing the efficiency of different wind turbine blade designs, [AdamEnt] found using a hair dryer wasn’t the best tool for the job. Enter his new 3D-printed wind tunnel. After several ...