A battlefield is a terrible place for a person. War, as a profoundly human endeavor, requires humans, and there is no way around fighting most wars without, at some point, putting humans on the ground. In the future and, increasingly, the present, those humans will be accompanied by robots, often remotely guided machines carrying some share of the burden of the fight. Or, in the case of gun-toting robots like Russia's Nerekhta, the robot will actually be firing a weapon.

Curiosity in crisis: NASA reveals rover's drill has crippled its robotic arm and stranded it on the red planet Bug is preventing the rover from moving its robotic arm and driving Problem involves a motor in the rover's drill that is used to bore into rocks Curiosity has been taking pictures and tracking the weather Problem involves a motor in the rover's drill that is used to bore into rocks This Dec. 2, 2016 image taken by NASA's Curiosity rover shows rocky ground on the lower flank of Mount Sharp, a mountain on Mars. Curiosity landed on the red planet in 2012 and uncovered geologic evidence of an ancient environment that could have supported primitive life early in the red planet's history. The highest wave in history: UN confirms six-storey-high... Facebook launches'Parents Portal' to help adults keep their... Christmas comes to the space station! Japanese'white stork'... Using a hands-free kit while driving is just as distracting... The highest wave in history: UN confirms six-storey-high... Facebook launches'Parents Portal' to help adults keep their... Christmas comes to the space station!

Arctic warming has'gone into overdrive': NOAA reveals the top of the world is heating up TWICE as fast as the rest of the planet Warming at the top of the world has gone into overdrive, happening twice as fast as the rest of the globe, and extending unnatural heating into fall and winter, according to a new federal report. This map shows temperatures across the Arctic from October 2015-September 2016 compared to the 1981-2010 average. Get ready to'Waymo' a self-driving cab: Google creates new... The'internet of the road': Government proposals call for... The highest wave in history: UN confirms six-storey-high... Stunning new 3D simulation of carbon moving through the... Get ready to'Waymo' a self-driving cab: Google creates new...

Say hello to SUPERSIZE Tinder! Dating app launches on Apple... Shipwreck of the lost Schiedam is found AGAIN: Divers... Snapchat unveils a group messaging feature that lets up to... Get ready to'Waymo' a self-driving cab: Google creates new... Say hello to SUPERSIZE Tinder! Dating app launches on Apple... Shipwreck of the lost Schiedam is found AGAIN: Divers... Snapchat unveils a group messaging feature that lets up to... Get ready to'Waymo' a self-driving cab: Google creates new... Valley Stream Best Buy associates gift a teen with a Wii U Watch woman get dragged off jet by police in Detroit Syria: Footage emerges of Russian special forces'fighting ISIS' Trash is dumped on woman's door step after she fails to pay Horrifying moment woman is kicked down the stairs by stranger Documentary director attacked by gang of immigrants in Stockholm'I'm going to wing walk!' Schofield talks to Duke about wing walk'Scumbag unions': Chants outside Brighton rail station Hunters forced to shoot a wild bear dead as it charges towards them Lads post the rudest mannequin challenge from "Scottish party" Impressive fireball lights up Spain's Costa del Sol night sky'We talked about life': Trump and Kanye discuss surprise meet Syria: Footage emerges of Russian special forces'fighting ISIS' Trash is dumped on woman's door step after she fails to pay'We talked about life': Trump and Kanye discuss surprise meet Kanye West-wing: The Donald embraces his troubled'friend'... Democrats' all-out bid to smear Trump's victory as Clinton... It's not'he' and'she'. It's'ze': Oxford University union... Terminally-ill boy, five, dies in Santa Claus' arms after... EXCLUSIVE: Angelina demands Brad Pitt be drug tested four... Trump's Iran stance could threaten a WORLD WAR and the... Shocking moment a woman was physically dragged off a Delta... Bride paralyzed at her bachelorette party opens up about sex... Best Buy employees in Long Island chip in to buy a $300 WiiU... Woman left with huge bill after Plenty of Fish date eats... Prince Harry and girlfriend Meghan Markle are'spotted... The Laughing Cavalier was a true gent and the two figures... Kanye West-wing: The Donald embraces his troubled'friend'... Terminally-ill boy, five, dies in Santa Claus' arms after... EXCLUSIVE: Angelina demands Brad Pitt be drug tested four... Trump's Iran stance could threaten a WORLD WAR and the... Shocking moment a woman was physically dragged off a Delta... Bride paralyzed at her bachelorette party opens up about sex... Best Buy employees in Long Island chip in to buy a $300 WiiU... Woman left with huge bill after Plenty of Fish date eats... Prince Harry and girlfriend Meghan Markle are'spotted...

The incredible moment a man solves a Rubik's cube in less than FIVE SECONDS to set a new world record (as the previous champion sits next to him and grins through gritted teeth) Feliks Zemdegs, 20, solved the famous 1980s toy in just 4.73 seconds Previous world record set by Mats Valk, 20, who is sitting next to Mr Zemdegs Mr Zemdegs got ten seconds to inspect the Rubik's cube before he has to solve it Feliks Zemdegs, 20, solved the famous 1980s toy in just 4.73 seconds Mr Zemdegs got ten seconds to inspect the Rubik's cube before he has to solve it His hands move so fast the camera struggles to pick up his finger movements. He solves the puzzle in just 4.73 seconds. The previous world record was set by Mats Valk, 20, (right) is sat next to Mr Zemdegs as he breaks his record. Valley Stream Best Buy associates gift a teen with a Wii U Watch woman get dragged off jet by police in Detroit Syria: Footage emerges of Russian special forces'fighting ISIS' Trash is dumped on woman's door ...

Dramatic moment Russian special forces use a machinegun ROBOT as they'take out' ISIS warlord behind deadly bombings Rustam Aselderov was thought to have been involved in blasts in the southern Russian city of Volgograd which killed 34 in 2013. He was fighting for another Caucasus insurgent group at the time. 'Highly organised' ISIS cells are using chaos caused by... Up to 1,750 ISIS jihadists have returned to Europe with... Inside the den of terror: Raids at home of ISIS recruiter's... 'Highly organised' ISIS cells are using chaos caused by... Up to 1,750 ISIS jihadists have returned to Europe with... Aselderov, also known as Sheikh Abu Mohammad al-Qadari, and four of his henchmen were'neutralised' in the raid. Soldiers can be seen securing the area after the robot's machinegun had ripped holes in the wall in a hail of bullets Russia's FSB security service revealed on Sunday that it had killed an ISIS'emir' in the operation Horrifying moment woman is kicked down the stairs by stranger Lads post the rudest mannequin challenge from "Scottish party" Police officer filmed punching man as he's arrested in London'He's ruined our holiday!': 'Drunk' passengers kicked off plane Caught on Camera: Employee brawl erupts at Waffle House Is he fur real?