The last time you scrubbed a streaky window or polished a porcelain appliance, you probably used a chemical called ammonia. Also known as ammonium hydroxide when mixed with water, ammonia is more than ...

Discover how a simple do-it-yourself science model can demonstrate water-powered energy in action. This video presents an accessible way to visualize how flowing water generates power, making complex ...

Correction: (March 25, 2025) In the thirteenth paragraph, “within 3 to 4 feet (91 to 120 centimeters)” should be “within 8 feet (244 centimeters).” An edit has been made in the press release to ...