Make a mould First you need to make a mould for your canoe -- a positive mould where the canoe is moulded over the outside, not in a hollow. Glue the foam cubes together to create a 1m x 1m x 4m block ...

In 2014, hundreds of Angelenos gathered downtown to watch more than 2,000 trucks pour concrete into a vast hole. During that event, Los Angeles set a world record: 80 million pounds of concrete were ...

Sturdy pots and planters that look nice are some of the costlier elements of expanding your houseplant or garden collection. But you don’t have to settle for cheap plastic pots or drop a fortune on ...

The world gets a little greyer every year. According to a paper published in 2014 concrete—an aggregate material made by mixing cement, sand and gravel—is the second-most consumed substance in the ...

Many of the industrial processes underpinning modern civilization rely on dirty energy for the simple reason that it’s a great source of heat. To make steel, you need to smelt iron ore at 1,100 ...

Researchers have discovered how to make concrete from recycled glass - by turning it back into sand. A team from Australia were able to turn the waste into a replacement for industrial flooring - ...

Sustainability: News about the rapidly growing climate tech sector and other areas of innovation to protect our planet. SEE MORE by Lisa Stiffler on Jul 8, 2025 at 8:00 am July 8, 2025 at 3:36 pm Meng ...