From the Solway Firth in the south to Shetland in the north, from remote St Kilda to the west to St Abbs in the east, Tom Weir explores Scotland as a walker and

#1 NEW YORK TIMES BESTSELLER • From the author of The Martian, a lone astronaut must save the earth from disaster in this “propulsive” (Entertainment Week

Nominated as one of America’s best-loved novels by PBS’s The Great American Read Six days ago, astronaut Mark Watney became one of the first people to walk

Side weirs are widely used to divert or discharge flows from reservoirs, rivers, artificial channels and sewers. The hydraulic behaviour of this type of weir is

Labyrinth spillways are almost as old as dam engineering. In spite of the fact that they appear as a very good technical-economical compromise, only 0.1% of lar