We left city life behind to live off-grid on a mountain in Spain, spending two years renovating an old stone house and ...

For a patio build, stepping stones, or pathways, concrete tiles can be an affordable option—and some ambitious DIY enthusiasts even make indoor floor tiles themselves. Making your own concrete tiles ...

Ukrainians are pushing small quadcopters to attack nearly 40 miles behind enemy lines ...

Jianzhuang Xiao is a professor of recycled concrete materials and structures at Tongji University, Shanghai, China, and a vice-president at Guangxi University, Nanning, China. Zongjin Li is a ...