Discover how to build a fully functional remote-controlled tank using simple materials like cardboard, soda cans, and basic electronic components. This step-by-step guide covers everything—from ...

US coastal and island communities have vulnerable energy infrastructure and high energy costs, which are exacerbated by climate change. A unique opportunity exists to use thermal energy from ...

Abstract: A novel programmable metasurface unit cell that can achieve integrated control of radiation and reflection waves is reported. By tuning the working state of three low-power diodes, the ...

As part of a nationwide shutdown of mobile phone shops, traders blocked the Karwan Bazar and Farmgate intersections to press their demands. Earlier in the morning, Mobile Business Community Bangladesh ...

Abstract: A low-cost and low-power radiation-reflection-integrated programmable metasurface antenna (RRIPMA) is proposed, designed and demonstrated. Each meta-element of RRIPMA can be digitally ...