In what is being called the most powerful non-nuclear bomb to date, Turkey’s Defence Industries Secretariat and the Turkish Armed Forces Foundation has developed a new weapon.

Turkey has unveiled a new bomb described by state-linked media as the NATO ... Thermobaric weapons, sometimes referred to as vacuum bombs, fuel-air munitions or aerosol bombs, use oxygen mixed with ...

Here’s a breakdown of what fuel control switches are, how they work, and why they’re now at the centre of the investigation into one of the deadliest air crashes in a decade.