Keywords: drill and blast technique; shape contour quality; hydrodemolition. Around the world Drill and Blast (D&B) is widely used as an excavation method. It has good potential for short tunnels ...

Winds variable at 4 to 6 mph (6.4 to 9.7 kph). The overnight low will be 45 °F (7.2 °C). Partly cloudy today with a high of 65 °F (18.3 °C) and a low of 47 °F (8.3 °C). Partly cloudy today with a high ...

Joe Biden surprised Donald Trump by leaving a letter in the Resolute Desk, titled "47," as Trump assumed office as the 47th President of the United States. This handwritten note continues a ...

The P-47 Thunderbolt, symbol of the 8th Air Force's resilience, faced relentless Luftwaffe attacks in 1943. Explore its journey, from its combat debut to its defining moments in aerial dogfights.

Na atmosfera superior da Terra, uma faixa de ar de rápido movimento chamada corrente de jato sopra com ventos de mais de 442 km/h, mas eles não são os mais fortes do nosso sistema solar.

President-elect Donald Trump vowed during a massive rally on Sunday to hit the ground running a day before he was set to take his oath as commander-in-chief, outlining a bold vision for his second ...

The so-called “Trump 47” block was mined by MARA on Jan. 17, chairman and CEO Fred Thiel said on the X social media platform. The move was intended to “honor” President-elect Trump for ...

Cristiano Ronaldo, que tem o maior salário no futebol, fez um novo investimento. O jogador comprou um jato particular que pode custar até 60 milhões de euros, ou seja, aproximadamente R$ 375 ...