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Robot ‘Wavy Dave’ Fools Crabs, Gets Attacked in Mating Claw Contest

Robot ‘Wavy Dave’ Fools Crabs, Gets Attacked in Mating Claw Contest

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Last mating season on the southern mudflats of Portugal, a robot crab disguised as a rival male stirred up fiddler crabs. Called “Wavy Dave”, the 3D-printed creature is designed to mimic the species Afruca tangeri, which takes part in claw-waving displays – rituals where males attract females by waving an ‘enormous crab claw’. The robot’s antics were good for a few laughs but didn’t fool the genuine crabs for long. One male attacked Wavy Dave and ripped off his claw, forcing researchers to pause the trial and reset the robot before continuing the study.

Robot Rival Reveals How Male Crabs Strategically Adjust Courtship Displays

According to a study published August 6 in Proceedings of the Royal Society B Biological Sciences, Wavy Dave helped scientists explore how male crabs assess and react to rivals. Designed by statistician Joe Wilde of Biomathematics and Statistics Scotland, the robot came with interchangeable claws—average-sized and large—and was controlled via Bluetooth. Waves were similarly affected by the social context: when released in Ria Formosa Natural Park, males close to Wavy Dave extended their hand-waving duration without affecting its speed, possibly a result of expectations built on the presence of a robot.

In some cases, crabs avoided conflict if their claw was smaller than Wavy Dave’s, perhaps perceiving him as dominating or fearing injury. Some stuck around a little longer—when his claw was smaller, he seemed a less important rival—and others slipped off into the darkness. Male crabs, however, were strikingly energy conservative unless it seemed like a bout was worth the effort, showing quite flexible behaviour in courtship rituals.

Waves were similarly affected by the social context: when released in Ria Formosa Natural Park, males close to Wavy Dave extended their hand-waving duration without affecting its speed, possibly a result of expectations built on the presence of a robot.

A study shows that male fiddler crabs modify their reproductive tactics in response to challenging contest competition, using a robotic opponent to investigate the evolution of fighting behaviour in a complex and changeable environment.

 

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real-life ray gun into a 747 to shoot down ballistic missiles and stuck a laser on top of a Humvee to zap roadside bombs. For more than 50 years, the United States military and its researchers have tried to develop laser weapons. None of them panned out.

But now, the US Army is about to make a working laser weapon an official part of its arsenal. The Pentagon is poised to sign a contract to acquire and rapidly deploy what’s called an Enduring High Energy Laser in and around bases across the world to defend them from drone attacks, according to sources familiar with the matter. The official announcement could come as early as this week. When the deal is signed, it will mark the first time that the US military will have committed to equipping its forces with laser weapons in significant numbers.

“For years, lasers were going to be the future, and they never really came to their own. Now, they’re actually coming to their own,” Mark J. Lewis, the former Air Force chief scientist, tells WIRED.

The Iran and Ukraine wars have shown that drones are now so cheap, so plentiful, and so deadly that they’re impossible to stop with any single countermeasure. Some of the traditional ones have been particularly clunky. During the early days of the Iran conflict, the US even resorted to firing $4 million Patriot missiles at $35,000 Iranian drones—a waste of money, and a move that depleted the American interceptor stockpile.

Modern lasers, on the other hand, never run out of ammunition. “Basically, you can keep firing them as long as you’ve got power,” Lewis says. “There are some other issues with lasers, including how rapidly you can refire and recharge. But if you solve those problems, then suddenly you’ve got a pretty nifty way to help counteract things like a drone swarm attack.”

That’s one reason why the US military, at this moment, has either deployed or is actively testing a half-dozen laser weapons systems, according to the Laser Wars newsletter. The Navy has installed laser “dazzlers” on two of its ships to blind drones’ electro-optical sensors. The Air Force’s command for Europe and Africa has sent Boeing’s Compact Laser Weapons System “to locations across the theater.” In late June, Defense Secretary Pete Hegseth traveled to the Army’s test range in White Sands, New Mexico, for a demonstration of all sorts of directed-energy weapon projects.

The deployments haven’t all gone great. Four vehicles equipped with Raytheon air-defense lasers were yanked from the Middle East after poor reviews from soldiers. One laser, built by the defense contractor AeroVironment and positioned along the southern US border, accidentally zapped a party balloon in February, causing the Federal Aviation Administration to briefly close the airspace around El Paso, Texas. Once it was reopened, the laser shot down a Border Patrol drone by mistake.

Despite such mishaps, the Army appears ready to go beyond the one-offs and the experiments. In fact, in some ways, the accidental kill helped make the case for the laser, proving it could actually take out such a drone.

The Pentagon and its suppliers had been scrambling to field something, anything to defend against mass-produced, low-cost attack drones. They’ve rolled out radio frequency jammers, microwave weapons, an array of missiles, drones designed to kill other drones, even copies of the Iranian robots. None of them in isolation have been enough. On March 1, an Iranian drone killed six US service members and injured 30 others.

#Landmark #Deal #Officially #Add #Laser #Weapons #Army #Arsenallasers,drones,weapons and ammo,iran,military,military tech,army">Landmark Deal Would Officially Add Laser Weapons to US Army ArsenalThey stuffed a real-life ray gun into a 747 to shoot down ballistic missiles and stuck a laser on top of a Humvee to zap roadside bombs. For more than 50 years, the United States military and its researchers have tried to develop laser weapons. None of them panned out.But now, the US Army is about to make a working laser weapon an official part of its arsenal. The Pentagon is poised to sign a contract to acquire and rapidly deploy what’s called an Enduring High Energy Laser in and around bases across the world to defend them from drone attacks, according to sources familiar with the matter. The official announcement could come as early as this week. When the deal is signed, it will mark the first time that the US military will have committed to equipping its forces with laser weapons in significant numbers.“For years, lasers were going to be the future, and they never really came to their own. Now, they’re actually coming to their own,” Mark J. Lewis, the former Air Force chief scientist, tells WIRED.The Iran and Ukraine wars have shown that drones are now so cheap, so plentiful, and so deadly that they’re impossible to stop with any single countermeasure. Some of the traditional ones have been particularly clunky. During the early days of the Iran conflict, the US even resorted to firing million Patriot missiles at ,000 Iranian drones—a waste of money, and a move that depleted the American interceptor stockpile.Modern lasers, on the other hand, never run out of ammunition. “Basically, you can keep firing them as long as you’ve got power,” Lewis says. “There are some other issues with lasers, including how rapidly you can refire and recharge. But if you solve those problems, then suddenly you’ve got a pretty nifty way to help counteract things like a drone swarm attack.”That’s one reason why the US military, at this moment, has either deployed or is actively testing a half-dozen laser weapons systems, according to the Laser Wars newsletter. The Navy has installed laser “dazzlers” on two of its ships to blind drones’ electro-optical sensors. The Air Force’s command for Europe and Africa has sent Boeing’s Compact Laser Weapons System “to locations across the theater.” In late June, Defense Secretary Pete Hegseth traveled to the Army’s test range in White Sands, New Mexico, for a demonstration of all sorts of directed-energy weapon projects.The deployments haven’t all gone great. Four vehicles equipped with Raytheon air-defense lasers were yanked from the Middle East after poor reviews from soldiers. One laser, built by the defense contractor AeroVironment and positioned along the southern US border, accidentally zapped a party balloon in February, causing the Federal Aviation Administration to briefly close the airspace around El Paso, Texas. Once it was reopened, the laser shot down a Border Patrol drone by mistake.Despite such mishaps, the Army appears ready to go beyond the one-offs and the experiments. In fact, in some ways, the accidental kill helped make the case for the laser, proving it could actually take out such a drone.The Pentagon and its suppliers had been scrambling to field something, anything to defend against mass-produced, low-cost attack drones. They’ve rolled out radio frequency jammers, microwave weapons, an array of missiles, drones designed to kill other drones, even copies of the Iranian robots. None of them in isolation have been enough. On March 1, an Iranian drone killed six US service members and injured 30 others.#Landmark #Deal #Officially #Add #Laser #Weapons #Army #Arsenallasers,drones,weapons and ammo,iran,military,military tech,army

to shoot down ballistic missiles and stuck a laser on top of a Humvee to zap roadside bombs. For more than 50 years, the United States military and its researchers have tried to develop laser weapons. None of them panned out.

But now, the US Army is about to make a working laser weapon an official part of its arsenal. The Pentagon is poised to sign a contract to acquire and rapidly deploy what’s called an Enduring High Energy Laser in and around bases across the world to defend them from drone attacks, according to sources familiar with the matter. The official announcement could come as early as this week. When the deal is signed, it will mark the first time that the US military will have committed to equipping its forces with laser weapons in significant numbers.

“For years, lasers were going to be the future, and they never really came to their own. Now, they’re actually coming to their own,” Mark J. Lewis, the former Air Force chief scientist, tells WIRED.

The Iran and Ukraine wars have shown that drones are now so cheap, so plentiful, and so deadly that they’re impossible to stop with any single countermeasure. Some of the traditional ones have been particularly clunky. During the early days of the Iran conflict, the US even resorted to firing $4 million Patriot missiles at $35,000 Iranian drones—a waste of money, and a move that depleted the American interceptor stockpile.

Modern lasers, on the other hand, never run out of ammunition. “Basically, you can keep firing them as long as you’ve got power,” Lewis says. “There are some other issues with lasers, including how rapidly you can refire and recharge. But if you solve those problems, then suddenly you’ve got a pretty nifty way to help counteract things like a drone swarm attack.”

That’s one reason why the US military, at this moment, has either deployed or is actively testing a half-dozen laser weapons systems, according to the Laser Wars newsletter. The Navy has installed laser “dazzlers” on two of its ships to blind drones’ electro-optical sensors. The Air Force’s command for Europe and Africa has sent Boeing’s Compact Laser Weapons System “to locations across the theater.” In late June, Defense Secretary Pete Hegseth traveled to the Army’s test range in White Sands, New Mexico, for a demonstration of all sorts of directed-energy weapon projects.

The deployments haven’t all gone great. Four vehicles equipped with Raytheon air-defense lasers were yanked from the Middle East after poor reviews from soldiers. One laser, built by the defense contractor AeroVironment and positioned along the southern US border, accidentally zapped a party balloon in February, causing the Federal Aviation Administration to briefly close the airspace around El Paso, Texas. Once it was reopened, the laser shot down a Border Patrol drone by mistake.

Despite such mishaps, the Army appears ready to go beyond the one-offs and the experiments. In fact, in some ways, the accidental kill helped make the case for the laser, proving it could actually take out such a drone.

The Pentagon and its suppliers had been scrambling to field something, anything to defend against mass-produced, low-cost attack drones. They’ve rolled out radio frequency jammers, microwave weapons, an array of missiles, drones designed to kill other drones, even copies of the Iranian robots. None of them in isolation have been enough. On March 1, an Iranian drone killed six US service members and injured 30 others.

#Landmark #Deal #Officially #Add #Laser #Weapons #Army #Arsenallasers,drones,weapons and ammo,iran,military,military tech,army">Landmark Deal Would Officially Add Laser Weapons to US Army Arsenal

They stuffed a real-life ray gun into a 747 to shoot down ballistic missiles and stuck a laser on top of a Humvee to zap roadside bombs. For more than 50 years, the United States military and its researchers have tried to develop laser weapons. None of them panned out.

But now, the US Army is about to make a working laser weapon an official part of its arsenal. The Pentagon is poised to sign a contract to acquire and rapidly deploy what’s called an Enduring High Energy Laser in and around bases across the world to defend them from drone attacks, according to sources familiar with the matter. The official announcement could come as early as this week. When the deal is signed, it will mark the first time that the US military will have committed to equipping its forces with laser weapons in significant numbers.

“For years, lasers were going to be the future, and they never really came to their own. Now, they’re actually coming to their own,” Mark J. Lewis, the former Air Force chief scientist, tells WIRED.

The Iran and Ukraine wars have shown that drones are now so cheap, so plentiful, and so deadly that they’re impossible to stop with any single countermeasure. Some of the traditional ones have been particularly clunky. During the early days of the Iran conflict, the US even resorted to firing $4 million Patriot missiles at $35,000 Iranian drones—a waste of money, and a move that depleted the American interceptor stockpile.

Modern lasers, on the other hand, never run out of ammunition. “Basically, you can keep firing them as long as you’ve got power,” Lewis says. “There are some other issues with lasers, including how rapidly you can refire and recharge. But if you solve those problems, then suddenly you’ve got a pretty nifty way to help counteract things like a drone swarm attack.”

That’s one reason why the US military, at this moment, has either deployed or is actively testing a half-dozen laser weapons systems, according to the Laser Wars newsletter. The Navy has installed laser “dazzlers” on two of its ships to blind drones’ electro-optical sensors. The Air Force’s command for Europe and Africa has sent Boeing’s Compact Laser Weapons System “to locations across the theater.” In late June, Defense Secretary Pete Hegseth traveled to the Army’s test range in White Sands, New Mexico, for a demonstration of all sorts of directed-energy weapon projects.

The deployments haven’t all gone great. Four vehicles equipped with Raytheon air-defense lasers were yanked from the Middle East after poor reviews from soldiers. One laser, built by the defense contractor AeroVironment and positioned along the southern US border, accidentally zapped a party balloon in February, causing the Federal Aviation Administration to briefly close the airspace around El Paso, Texas. Once it was reopened, the laser shot down a Border Patrol drone by mistake.

Despite such mishaps, the Army appears ready to go beyond the one-offs and the experiments. In fact, in some ways, the accidental kill helped make the case for the laser, proving it could actually take out such a drone.

The Pentagon and its suppliers had been scrambling to field something, anything to defend against mass-produced, low-cost attack drones. They’ve rolled out radio frequency jammers, microwave weapons, an array of missiles, drones designed to kill other drones, even copies of the Iranian robots. None of them in isolation have been enough. On March 1, an Iranian drone killed six US service members and injured 30 others.

#Landmark #Deal #Officially #Add #Laser #Weapons #Army #Arsenallasers,drones,weapons and ammo,iran,military,military tech,army

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#sign #Mashable #push #notifications">How to sign up for Mashable push notifications The internet moves fast. Fortunately, you don’t have to spend all day refreshing your browser to keep up with it.Mashable push notifications deliver our latest news, trending stories, and hottest deals directly to your screen. Here’s how to turn them on in just a few clicks.Google Chrome on AndroidOpen Chrome and visit Mashable.com.Tap the three-dot menu to the right of the address bar.Select Settings, followed by Site settings and Notifications.Make sure notifications are enabled.Return to Mashable. Tap the site information icon to the left of the address bar, select Permissions, and set Notifications to Allow.Google Chrome on a PC or MacVisit Mashable.com.Click the View site information icon to the left of the URL in your address bar.Select Site settings from the menu.Find Notifications and select Allow from the dropdown menu.Return to Mashable and refresh the page.That’s it. We’ll take it from here. Safari on a MacOpen Safari and visit Mashable.com.When Safari asks whether you would like to receive notifications from Mashable, select Allow.If the request doesn’t appear, go to Safari > Settings > Websites > Notifications. Find Mashable and select Allow. You should also make sure Allow websites to ask for permission to send notifications is turned on.Microsoft EdgeVisit Mashable.com.Click the site information icon to the left of the URL.Open Permissions for this site.Find Notifications and select Allow.Return to Mashable and refresh the page.Mozilla FirefoxVisit Mashable.com.When Firefox asks whether Mashable can send notifications, select Allow.If you don’t see the prompt, open the Firefox menu and go to Settings > Privacy & Security. Scroll to Permissions, find Notifications, and click Settings. Locate Mashable, change its status to Allow, and save your changes.Help! I signed up, but I’m not receiving notificationsIf you followed the steps above but Mashable alerts remain suspiciously absent, don’t worry. A browser or device setting may be getting in the way.1. Check your browser settingsStart by returning to Mashable.com and clicking the site information icon beside the URL. Make sure Notifications is set to Allow.You can also check the notification permissions in your browser’s settings:Chrome: Settings > Privacy and security > Site settings > NotificationsFirefox: Settings > Privacy & Security > Permissions > NotificationsSafari: Settings > Websites > NotificationsEdge: Settings > Cookies and site permissions > NotificationsFind Mashable and confirm that notifications are allowed. Mashable Trend Report 2. Check your device settingsYour browser may have permission to send alerts while your computer is quietly blocking them.On a Mac, open System Settings > Notifications. Select the browser you used to sign up, turn on Allow notifications, and choose Banners or Alerts as the notification style. On older versions of macOS, you may find these controls under System Preferences.On a Windows PC, open Settings > System > Notifications. Make sure notifications are turned on for Chrome, Firefox, Edge, or whichever browser you used.3. Make sure notifications aren’t silencedFinally, check whether a focus setting has put your alerts on mute.On a Mac, open Control Center > Focus and make sure Do Not Disturb is turned off.On Windows 11, go to Settings > System > Notifications and check that Do not disturb is disabled. If you’re using Windows 10, open Focus assist and make sure it is not set to Alarms only.Once those settings are cleared, Mashable notifications should be free to make their grand entrance.Want more tech and digital culture news delivered to your inbox daily? Sign up for Mashable’s Top Stories newsletter today.Barbara Pavone contributed to this article. #sign #Mashable #push #notifications

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Samsung’s press release didn’t mention which titles will have support initially, or how many there are, other than including a press image showing off Amazon’s series Ride or Die. The news also comes just after Disney Plus in Europe briefly lost Dolby Vision support due to a patent dispute.

It has similar features to Dolby Vision 2, but without Samsung paying Dolby’s fee for the stamp, and also promises to add “Intelligent Motion Smoothing” that can adjust scene by scene. Hisense, Philips, and TCL have said their new TVs will support Dolby Vision 2, while Peacock and Canal+ are on board for content, but it’s not available for use yet and will likely require a software update for supported TVs when it does start to roll out.

Both formats are promising to make use of motion smoothing when it can benefit the viewing experience on fast-moving action like sports, while also backing off from adding the unsettling “soap opera” effect to film and TV content, but we’ll have to see it in action to know how well it works. The HDR10Plus Advanced FAQ explains more about how its metadata tags can cover both genres (Movie, Sports, Animation, News, or General) and specific details like lighting, motion, or perspective to inform how your TV processes what’s going on.

#Samsungs #HDR10 #Advanced #launching #month #Prime #VideoGadgets,News,Samsung,Streaming,Tech,TVs">Samsung’s HDR10 Plus Advanced is launching this month on Prime VideoAfter previewing HDR10 Plus Advanced late last year, Samsung’s not-Dolby Vision 2 spec will launch globally on Amazon’s Prime Video this month. The first TVs announced with support are Samsung’s 2026 lineup, which will be able to make use of the extra metadata to deliver more precise HDR that is optimized for what you’re watching, and tone mapping that can adjust for specific areas of the screen instead of applying one setting to the whole frame.Samsung’s press release didn’t mention which titles will have support initially, or how many there are, other than including a press image showing off Amazon’s series Ride or Die. The news also comes just after Disney Plus in Europe briefly lost Dolby Vision support due to a patent dispute.It has similar features to Dolby Vision 2, but without Samsung paying Dolby’s fee for the stamp, and also promises to add “Intelligent Motion Smoothing” that can adjust scene by scene. Hisense, Philips, and TCL have said their new TVs will support Dolby Vision 2, while Peacock and Canal+ are on board for content, but it’s not available for use yet and will likely require a software update for supported TVs when it does start to roll out.Both formats are promising to make use of motion smoothing when it can benefit the viewing experience on fast-moving action like sports, while also backing off from adding the unsettling “soap opera” effect to film and TV content, but we’ll have to see it in action to know how well it works. The HDR10Plus Advanced FAQ explains more about how its metadata tags can cover both genres (Movie, Sports, Animation, News, or General) and specific details like lighting, motion, or perspective to inform how your TV processes what’s going on.#Samsungs #HDR10 #Advanced #launching #month #Prime #VideoGadgets,News,Samsung,Streaming,Tech,TVs

last year, Samsung’s not-Dolby Vision 2 spec will launch globally on Amazon’s Prime Video this month. The first TVs announced with support are Samsung’s 2026 lineup, which will be able to make use of the extra metadata to deliver more precise HDR that is optimized for what you’re watching, and tone mapping that can adjust for specific areas of the screen instead of applying one setting to the whole frame.

Samsung’s press release didn’t mention which titles will have support initially, or how many there are, other than including a press image showing off Amazon’s series Ride or Die. The news also comes just after Disney Plus in Europe briefly lost Dolby Vision support due to a patent dispute.

It has similar features to Dolby Vision 2, but without Samsung paying Dolby’s fee for the stamp, and also promises to add “Intelligent Motion Smoothing” that can adjust scene by scene. Hisense, Philips, and TCL have said their new TVs will support Dolby Vision 2, while Peacock and Canal+ are on board for content, but it’s not available for use yet and will likely require a software update for supported TVs when it does start to roll out.

Both formats are promising to make use of motion smoothing when it can benefit the viewing experience on fast-moving action like sports, while also backing off from adding the unsettling “soap opera” effect to film and TV content, but we’ll have to see it in action to know how well it works. The HDR10Plus Advanced FAQ explains more about how its metadata tags can cover both genres (Movie, Sports, Animation, News, or General) and specific details like lighting, motion, or perspective to inform how your TV processes what’s going on.

#Samsungs #HDR10 #Advanced #launching #month #Prime #VideoGadgets,News,Samsung,Streaming,Tech,TVs">Samsung’s HDR10 Plus Advanced is launching this month on Prime Video

After previewing HDR10 Plus Advanced late last year, Samsung’s not-Dolby Vision 2 spec will launch globally on Amazon’s Prime Video this month. The first TVs announced with support are Samsung’s 2026 lineup, which will be able to make use of the extra metadata to deliver more precise HDR that is optimized for what you’re watching, and tone mapping that can adjust for specific areas of the screen instead of applying one setting to the whole frame.

Samsung’s press release didn’t mention which titles will have support initially, or how many there are, other than including a press image showing off Amazon’s series Ride or Die. The news also comes just after Disney Plus in Europe briefly lost Dolby Vision support due to a patent dispute.

It has similar features to Dolby Vision 2, but without Samsung paying Dolby’s fee for the stamp, and also promises to add “Intelligent Motion Smoothing” that can adjust scene by scene. Hisense, Philips, and TCL have said their new TVs will support Dolby Vision 2, while Peacock and Canal+ are on board for content, but it’s not available for use yet and will likely require a software update for supported TVs when it does start to roll out.

Both formats are promising to make use of motion smoothing when it can benefit the viewing experience on fast-moving action like sports, while also backing off from adding the unsettling “soap opera” effect to film and TV content, but we’ll have to see it in action to know how well it works. The HDR10Plus Advanced FAQ explains more about how its metadata tags can cover both genres (Movie, Sports, Animation, News, or General) and specific details like lighting, motion, or perspective to inform how your TV processes what’s going on.

#Samsungs #HDR10 #Advanced #launching #month #Prime #VideoGadgets,News,Samsung,Streaming,Tech,TVs

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