To tackle the vexed issue of small-denomination currency notes shortage that affects everyday transactions across the country ...

A hybrid computer uses rotating mechanical beams for memory and electrical contacts for logic, performing reprogrammable computation through physical motion in environments where conventional ...

The Treasury's decision to feature Trump's face on currency broke a longstanding tradition set by George Washington.

Discover how to transform everyday objects into useful energy devices in this exciting DIY science project. Learn step-by-step how to build mini generators from recycled DC motor components and create ...