Why does hydrogen require a specific amount of energy to remove its electron? ⚛️ This video explains the Bohr model by deriving the ionization energy of hydrogen, connecting classical mechanics, ...

They’re here. Indiana University has distributed its free, vintage-style gameday posters for the Jan. 19 College Football Playoff Championships across downtown Bloomington, and they’re sure to be ...

A car's make is the brand or company. The model is the name of a car product or a line of cars. For example, Toyota and Honda are car makes, while a Camry and Civic are models. The body style includes ...

Jared Ecker is a researcher and fact-checker. He possesses over a decade of experience in the Nuclear and National Defense sectors resolving issues on platforms as varied as stealth bombers to UAVs.

Biological models are experimental systems that recreate aspects of human tissue function or disease. For example, certain tumour cell lines may serve as cancer models, and transgenic mice that ...

16.7 x 17.9 cm. (6.6 x 7 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...