When a series of delicate snowflake shaped sheets of Aramid are pressed together, they'll form a piece of headgear that's comfortable enough to wear to war, and tough enough to take a bullet.
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Facing the Alaskan wilderness, Casey and Chris battle nature to secure a moose.
A thrilling day ends with a feast and unexpected encounters in the Alaskan wilderness
Surviving in Alaska's wilderness, Casey and Chris face unexpected challenges and triumphs.
Struggling against rapids and dwindling supplies, the Kiefer brothers push deeper into moose country
Brothers face relentless wilderness challenges as they wait for a moose to appear
A tense night with grizzlies leaves Casey and Chris on high alert in the Alaskan wilderness
When a steel plated hull is fitted with controls on the inside and tracks on the outside, it'll become the Viking BVS10 –an armoured amphibious personnel carrier that can get troops in and out of any combat zone.
In 48 hours, a block of metal will be formed into the most accurate weapon on earth: the AX-338 Sniper Rifle.
When a series of delicate snowflake shaped sheets of Aramid are pressed together, they'll form a piece of headgear that's comfortable enough to wear to war, and tough enough to take a bullet.
Ballistic steel plates are cut, shaped, and welded together to make the body of an armed and armoured personnel carrier that's built to be fast and flexible - the CV90
A battle tank is only as effective as its gun, and for the Stryker vehicle, that's the M68 105mm cannon
In World War 1, the original grenade launchers were the infantrymen themselves
Journey into the heart of darkness in the second installment of "Engineering the Edge," stories of man-made marvels becoming deadly traps
Schoolteacher Ian heads off into the Tasmanian wilderness on an overnight adventure
71 year-old retired Nurse Sandra was exploring Tasmania's Cradle Mountain when she slipped and fractured her wrist
Mountain bike fanatic, Blake was out riding when he clipped a tree and crashed into a rock
Pedro and his friends have travelled all the way from Spain to walk Tasmania's famous Overland Track, but there's a big problem
American tourist, Alyce headed out for afternoon stroll but took a wrong turn - and now she's lost
65-year old Dave, a surf skier, is attacked and bitten by a Great White shark while training in the ocean
Brutal weather leads to a devastating pile up of horrific proportions
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