Beton adalah salah satu material yang sangat penting dalam konstruksi bangunan. Maka dari itu, sebelum membangun rumah, kita perlu tahu berapa harga besi beton polos dan ulir terbaru. Besi tulang ...

Training: Formal schooling in audio engineering helps, but you learn most on the job. Ask for help. With a piece of equipment called a geophone, which records the vibrations in solid objects, we ...

As Utah prepares for an overdue, big earthquake, University of Utah seismologists found that current seismic hazard models may be underestimating the intensity of shaking the Salt Lake Valley could ...