https://seas.harvard.edu/news/owen-marcovitzs-senior-project-measuring-microplastics-dental-appliances Harvard John A. Paulson School Of Engineering And Applied Sciences en 2026-04-21 Owen Marcovitz's Senior Project: Measuring microplastics in dental appliances https://seas.harvard.edu/news/brooke-dechos-senior-project-detecting-leaks-waste-oil-drums Harvard John A. Paulson School Of Engineering And Applied Sciences en 2026-04-20 Brooke Decho's Senior Project: Detecting leaks in waste oil drums