🐟 Salmon vs. Dams – The $500 million Battle to Save Rivers

Check out this week's top 5 IE Originals videos, featuring the most fascinating stories in science, engineering, and tech.

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Salmon vs. Dams – The $500 million Battle to Save Rivers

Even as China proposes the largest dam project in the world, Europe and America are trying to reverse the damage wrought by such structures. But what are the costs of such efforts? And how quickly do we see effective results?

The End of the M4 Era? Meet the New XM7/M7 Battle Rifle

The U.S. Army is transitioning to the SIG SPEAR XM7 rifle, replacing the M4. This next-gen battle rifle, chambered in 6.8x51mm, offers increased range, power, and accuracy, aiming to enhance soldier effectiveness in modern combat.

Why China's Spending $70bn to Move Water 2,700 Miles

China is in the process of creating possibly the biggest infrastructure project ever attempted. The South to North Water Transfer Project is designed to move water from rivers in the wet south of the country, to dry, densely populated areas in the north. However, the project has widely been criticised, not only for displacing large amount of people, but also for tapping into waterways that service other countries in South-East Asia, and India.

Russian Hybrid Warfare: The Growing Threat to Undersea Infrastructure

In Nov 2024, undersea cables in the Baltic were severed, raising fears of sabotage amid Russian hybrid warfare and global infrastructure risks.

How the Thames Barrier Works

This 2024, the Thames Barrier celebrated its 40th anniversary. It's a 520 metre wide construction consisting of 10 gates that spans from Silvertown on the North Bank to New Charlton on the South bank, all roughly 8 miles downstream from central London. It was built to protect London from any tidal surge or freak flooding event that would threaten this cultural and economic center.