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Innovation The new control system uses reinforcement learning to track, predict, and return shots with a camera and racket-equipped ANYmal-D. Published: May 28, 2025 01:00 PM EST 7 hours ago The robot can play badminton with humans by coordinating perception and movement. Yuntao Ma, Robotic Systems Lab, ETH Zurich A team at ETH Zurich has […]

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ANYmal

The new control system uses reinforcement learning to track, predict, and return shots with a camera and racket-equipped ANYmal-D.

ETH Zurich’s robot smashes badminton game with impressive agility, AI precision

The robot can play badminton with humans by coordinating perception and movement.

Yuntao Ma, Robotic Systems Lab, ETH Zurich

A team at ETH Zurich has demonstrated an AI-powered legged robot capable of autonomously playing badminton against human opponents.

Using a control system based on reinforcement learning, the robot can accurately track the shuttlecock’s flight, predict its trajectory, and move across the court to intercept and return shots.

Researchers tested the controller on a four-legged robot named ANYmal-D, outfitting it with a stereo camera for visual perception and a dynamic arm designed to swing a badminton racket.

“Beyond badminton, the method offers a template for deploying legged manipulators in other dynamic tasks where accurate sensing and rapid, whole-body responses are both critical,” said researchers in a statement.

Unified motion control

Playing badminton requires athletes to coordinate rapid footwork with precise arm movements skillfully, challenging both perception and motor control.

Replicating this in legged robots has been difficult due to limitations in current controllers and hardware. Human eyes far outperform commercial robot cameras in motion stabilization and focus, complicating visual tracking of fast-moving objects like a shuttlecock.

While past research in athletic robotics has shown progress in dynamic tasks like flipping or running using reinforcement learning (RL), these often exclude integrated manipulation or depend on static environments.

In this study, researchers developed a unified RL-based controller for the quadrupedal robot ANYmal-D to play badminton using onboard perception autonomously. The system integrates legged locomotion and racket swinging, enabling the robot to track, predict, and return the shuttlecock in real time. A perception-aware model trained in simulation accounts for motion-induced visual errors, narrowing the sim-to-real gap.

The controller uses an asymmetric actor-critic framework and tracks multiple swing targets within each episode to learn continuous, responsive behavior. The approach balances agility and visual accuracy, incorporating shuttlecock prediction, constrained RL, and dynamic system identification to perform reliably in real-world games.

“A key advantage of our approach is that the controller is trained end-to-end—upper and lower limbs are optimized together from the beginning. There is no architectural distinction between coordinating the arm with legs, and coordinating left and right legs. As a result, the limbs learn to compensate for each other’s dynamics naturally during training, leading to coordinated whole-body motion,” said Yuntao Ma, a researcher at ETH Zurich‘s Robotics Lab and co-author of the study, told Interesting Engineering (IE).

Robot rallies humans

The team tested the robot against human players and found it could navigate the court to return shots at different speeds and angles, achieving rallies of up to 10 consecutive hits.

The integrated reinforcement learning approach links whole-body movement with visual perception, and the robot adjusts its gait based on timing and distance to track and intercept shuttlecocks traveling at speeds of up to 12.06 m/s. The robot could also impressively rise onto its hind legs to keep the shuttlecock in view before swinging, prioritizing balance and safety to avoid falling.

Even though the robot performs well in friendly rallies, it struggles against fast or aggressive shots, like smashes. According to the team, its lower success rate in such scenarios stems from hardware limitations in camera perception and actuator speed, rather than the control algorithm, which remains capable but hindered by latency and physical performance constraints.

On the question of whether the control framework can be adapted to other sports or tasks. “Yes, the framework is designed to generalize. We’ve already extended it to an accurate robotic throwing task. More broadly, we believe the most transferable contribution is our method for integrating active perception into the RL training loop. This capability broadly applies to tasks where perception and control must be tightly coordinated,” Ma told IE.

In the future, improvements in perception responsiveness are essential to enable longer rallies and full-court competitive gameplay. The current system has an average delay of 0.375 seconds between the opponent’s shot and the robot’s first swing command.

“Reducing this latency, perhaps through faster cameras or additional sensing modalities, would greatly improve the robot’s ability to intercept faster and more distant shots, enabling longer rallies and more competitive performance,” Ma told IE.

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The details of the team’s research were published in the journal Science Robotics.

ABOUT THE AUTHOR

Jijo Malayil Jijo is an automotive and business journalist based in India. Armed with a BA in History (Honors) from St. Stephen’s College, Delhi University, and a PG diploma in Journalism from the Indian Institute of Mass Communication, Delhi, he has worked for news agencies, national newspapers, and automotive magazines. In his spare time, he likes to go off-roading, engage in political discourse, travel, and teach languages.

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New pickleball, hoops facility to open soon with ties to 2 ex-Syracuse basketball players

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Alpen Bluffs Goes All In on a Full-Service Experience | Features

Lodging, dining, a waterpark, mini golf, groceries, and more await By Ross Boissoneau | June 21, 2025 Go ahead, call it glamping if you must. But please don’t call Alpen Bluffs a glampground. “It’s Michigan’s first outdoor hotel,” says Rob Platt, one of the owners of the newly opened Gaylord facility. With cabins, yurts, and […]

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Lodging, dining, a waterpark, mini golf, groceries, and more await
By Ross Boissoneau | June 21, 2025

Go ahead, call it glamping if you must. But please don’t call Alpen Bluffs a glampground. “It’s Michigan’s first outdoor hotel,” says Rob Platt, one of the owners of the newly opened Gaylord facility.

With cabins, yurts, and RV sites that all include hookups to city water and sewer, plus a restaurant, market, and other amenities, it’s hard to argue with that term. “It’s an RV resort plus 44 accommodations that are not RVs,” Platt says.

Indeed, with all its amenities, Alpen Bluffs is much more than just a campground or glampground. Start with Inukshuk Shores, an aquatic waterpark that features an inflatable obstacle course floating on a man-made pond, a sandy beach area, comfy chairs, locker rooms, and a concessions area. Alpen Point is an 18-hole mini golf course. Youngsters can mine for gems at Matterhorn Mine, a gem mining sluice.

Mulligans at the Bluffs is a full-service restaurant with seven indoor golf simulators, an expansive outdoor patio, and lawn games, including shuffleboard, bean bag toss, a putting green, lawn bowling, and croquet. The resort includes a grab-and-go store at its welcome center and Alpen Market, a full-service grocery store.

All those are open to both the public and guests. Those staying at the resort can also take advantage of other exclusive amenities: pickleball courts, a dog park, a playground, horseshoes, table tennis, sand volleyball, golf cart rentals, pedal cart rentals, bicycle rentals, food trucks, and communal fire pits.

But wait, there’s more: The upcoming Bluff Club will include a shipping container bar with food offerings from the grill and smoker, a resort-style outdoor pool, hot tub, and cabanas.

The Bigger Picture

It’s all part of a plan, according to Platt, one that came about when he saw property across from Otsego Resort was for sale. He and his business partner Craig Snyder purchased it, then began working to buy other contiguous parcels, ending up with 45 acres within one of Michigan’s Opportunity Zones. The Opportunity Zones offer tax deferral and potential tax-free growth on investments held for at least 10 years.

Platt and Synder’s backgrounds include work in construction, property management, and mixed-use development, including properties featuring living spaces, coffee shops, valet parking—even rooftop pools and restaurants. It all dovetailed nicely into the creation of Alpen Bluffs, where they wanted to bring such design details and what he calls “experiential living” to an outdoor space rather than an urban property.

The 45-acre resort is located just outside of Gaylord proper—literally one and a half miles from the heart of downtown. Platt and his partners don’t see Alpen Bluffs as competition for other resorts, but rather another attraction within northern Michigan. They say the goal is simply to offer another exciting and memorable option for families looking to have fun together. “Downtown Gaylord is unique, plus the Golf Mecca, skiing—you can walk across the road to golf and ski at Otsego Resort,” says Platt.

The Opening Slate

He says all the purchases and planning took place during the heart of the COVID lockdown. He and his partners recognized the immediate appeal of outdoor activities and business and believed that would be a long-term attraction. “Up North and the U.P. were always great destinations for outdoor hospitality,” he says.

The first part of the plan came to fruition last September with the opening of Mulligans at the Bluffs, offering winter golf leagues. Also opened were outdoor games associated with the restaurant, as well as the mini golf (including nine holes designed for ADA accommodations) and the gem mining sluice.

The next phase came in late May, with the opening of a number of RV spaces, four cabins, two pickleball courts, dog park, pedal cart, bicycle, and golf cart rentals, the bathhouses with laundry facilities and Alpen Market. Inukshuk Shores, the aquatic waterpark, opened Father’s Day weekend.

The last phase includes the balance of the resort’s 30 cabins, 14 yurts, and remaining amenities, as well as the outdoor pool. All those are scheduled to be open and available sometime between mid-July and mid-August.

The Year-Round Mindset

Platt says a key consideration was creating accommodations and attractions that could be open year-round. The cabins and yurts are open in the winter, as is Mulligans at the Bluffs. That allows them to keep a large portion of staff on payroll throughout the year.

Platt is also cognizant of the challenge endemic to virtually every business of finding enough staff. When fully open, he estimates there will be 45 to 50 staffers needed for the aquatic water park, and close to 60 for housekeeping. That’s more than 100 just for those two parts of the operation.

He also recognizes the concurrent need for housing for employees. “It can be difficult to find housing,” he admits, noting they rented one of the cabins to their new food and beverage manager.

When it comes to more housing, Platt hopes they’ve found at least part of the solution. “We own 37 acres less than a mile south. The intent for our next project is [building] a single-family-home neighborhood,” he says. He believes the cabins they purchased for the resort could be used or modified for use on that site, depending on zoning.

The Alpen Bluffs team plans to expand the resort’s social activities and offerings when the build-out is complete. That includes live music on the weekends at Mulligans, the haunted house in the cart barn at Halloween, and pig roasts, all of which will be open to the public. There are plans for special services for guests as well, including offering food delivery services to the individual campsites and intimate dining experiences along the water of Inukshuk Shores.

Though just barely open, Platt says they are already fielding requests for reservations for 2026. “We’re getting good feedback from people already. They are booking for next year,” he says.

Learn more about Alpen Bluffs at alpenbluffs.com.





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52nd AAU Junior National Volleyball Championships – Orlando Sentinel

Winter Park Volleyball Club (WPVC) 16 Armour Black’s Teagan Mitchell-Timmons,(5) left and Kennedy Walker, (2) right, attempt to block the ball during their match in the 52nd AAU Junior National Volleyball Championships at the Orange County Convention Center. Orlando, Fla., Saturday, June 21, 2025. (Willie J. Allen Jr./Orlando Sentinel) (Left to Right) Top Select 16 […]

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Television and radio – June 21, 2025

On the air Listings are for Oceanic and Hawaiian Telcom analog/digital. *—premium station. **—retelecast. ***—delayed. Check your TV guide for latest updates. TODAY TIME TV CH HT AUTO RACING Indycar INXT Elkhart Lake qualifications 7:30 a.m. FS1 NA/214 75 Indycar NICS Elkhart Lake qualifications 8:30 a.m. FS1 NA/214 75 Xfinity Explore the Pocono Mountains 250 […]

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On the air Listings are for Oceanic and Hawaiian Telcom analog/digital. *—premium station. **—retelecast. ***—delayed. Check your TV guide for latest updates. TODAY TIME TV CH HT AUTO RACING Indycar INXT Elkhart Lake qualifications 7:30 a.m. FS1 NA/214 75 Indycar NICS Elkhart Lake qualifications 8:30 a.m. FS1 NA/214 75 Xfinity Explore the Pocono Mountains 250 9:30 a.m. CW NA/93 2 ARCA Menards Elko 3 p.m. FS2 NA/241 76* BASEBALL: MLB Regional coverage 6 a.m. MLBN NA/208 95 Rangers at Pirates 10:05 a.m. FS1 NA/214 75 Mets at Phillies 1:15 p.m. KHON 3 3 Astros at Angels 3:38 p.m. FDSW 20/226 81* Regional coverage 4 p.m. MLBN NA/208 95 Nationals at Dodgers 4:10 p.m. SSNLA NA/217 NA BASEBALL: COLLEGE WORLD SERIES, FINALS Game 1: Coastal Carolina vs. LSU 1 p.m. ESPNU NA/221 73 Game 1: Coastal Carolina vs. LSU (UmpCast) 1 p.m. ESPN NA/222 70 BASKETBALL: WNBA Phoenix Mercury at Chicago Sky 7 a.m. KITV 4 4 Los Angeles Sparks at Minnesota Lynx 2 p.m. NBATV NA/242 NA BEACH VOLLEYBALL AVP East Hampton 7 a.m. CW NA/93 2 FOOTBALL: CANADIAN FOOTBALL LEAGUE Ottawa Redblacks at Calgary Stampeders 10 a.m. CBSSN NA/247 83 Winnipeg Blue Bombers at BC Lions 1 p.m. CBSSN NA/247 83 FOOTBALL: WOMEN’S NATIONAL FOOTBALL CONFERENCE, FINAL Washington Prodigy vs. Texas Elite Spartans 9 a.m. ESPN2 NA/224 74 GOLF PGA Travelers Championship 7 a.m. GOLF 30/216 86 Women’s PGA Championship 7:30 a.m. KHNL 8 8 PGA Travelers Championship 9 a.m. KGMB 7 7 Champions: Kaulig Companies Championship 9 a.m. GOLF 30/216 86 HORSE RACING Royal Ascot 3 a.m. KHNL 8 8 MIXED MARTIAL ARTS UFC Fight Night prelims 6 a.m. ESPN NA/222 70 UFC Fight Night: Hill vs Rountree Jr. 9 a.m. KITV 4 4 MOTORCYCLES MotoGP Italy Grand Prix Sprint Race 2:55 a.m. FS1 NA/214 75 SOCCER Canadian: Cavalry vs. Pacific 10:30 a.m. FSP NA/231* NA CONCACAF Gold Cup: Curaçao vs. Canada 1 p.m. FS1 NA/214 75 FIFA Club World Cup: River Plate vs. Monterrey 3 p.m. TBS 28/551 121 CONCACAF Gold: Honduras vs. El Salvador 4 p.m. FS1 NA/214 75 TENNIS ATP Halle, London; WTA Berlin, Nottingham midnight TENNIS NA/243 84* VOLLEYBALL: FIVB WOMEN’S NATIONS LEAGUE Netherlands vs. United States 4:30 a.m. CBSSN NA/247 83 SUNDAY TIME TV CH HT AUTO RACING Indycar INXT Elkhart Lake 5 a.m. FS1 NA/214 75 IMSA WeatherTech Watkins Glen 6 a.m. KHNL 8 8 Indycar NICS Elkhart Lake 7:30 a.m. KHON 3 3 NASCAR Cup Great American Getaway 400 8 a.m. AMAZON PRIME NHRA Richmond 10 a.m. KHON 3 3 BASEBALL: MLB Regional coverage 7:30 a.m. MLBN NA/208 95 Astros at Angels 10:07 a.m. FDSW 20/226 81* Nationals at Dodgers 10:10 a.m. SSNLA NA/217 NA Royals at Padres 10:10 a.m. PADS NA/230 NA Regional coverage 10:30 a.m. MLBN NA/208 95 Mets at Phillies 1:10 p.m. ESPN NA/222 70 Mets at Phillies (StatCast) 1:10 p.m. ESPN2 NA/224 74 BASEBALL: COLLEGE WORLD SERIES, FINALS Game 2: LSU vs. Coastal Carolina 8:30 a.m. KITV 4 4 Game 2: LSU vs. Cst. Carolina (UmpCast) 8:30 a.m. ESPNU NA/221 73 BASKETBALL: NBA FINALS Game 7: Pacers at Thunder 2 p.m. KITV 4 4 BASKETBALL: BIG3 BASKETBALL From Baltimore 7 a.m. KGMB 7 7 BASKETBALL: WNBA Indiana Fever at Las Vegas Aces 9 a.m. ESPN NA/222 70 New York Liberty at Seattle Storm 1 p.m. NBATV NA/242 NA BEACH VOLLEYBALL AVP East Hampton 7 a.m. CBSSN NA/247 83 AVP East Hampton 9 a.m. CW NA/93 2 GOLF PGA Travelers Championship 7 a.m. GOLF 30/216 86 PGA Travelers Championship 9 a.m. KGMB 7 7 Women’s PGA Championship 9 a.m. KHNL 8 8 Champions: Kaulig Companies Championship 9 a.m. GOLF 30/216 86 MOTORCYCLES MotoGP Italy Grand Prix 1:30 a.m. FS1 NA/214 75 SOCCER FIFA Club W.C.: Real Madrid vs. Pachuca 9 a.m. TNT 43/553 125 Canadian: Valour vs. Forge 10:30 a.m. FSP NA/231* NA CONCACAF Gold Cup: Haiti vs. U.S. 1 p.m. KHON 3 3 CONCACAF Gold: S. Arabia vs. Trin. & Tobago 1 p.m. FS1 NA/214 75 FIFA Club World Cup: Manch. City vs. Al Ain 3 p.m. TNT 43/553 125 CONCACAF Gold Cup: Mexico vs. Costa Rica 4 p.m. FS1 NA/214 75 CONCACAF Gold: Dom. Rep. vs. Suriname 4 p.m. FS2 NA/241 76* NWSL: San Diego vs Washington 4 p.m. CBSSN NA/247 83 TENNIS ATP Halle, London; WTA Berlin, Nottingham midnight TENNIS NA/243 84* WTA Bad Homburg 5:30 a.m. TENNIS NA/243 84* Eastbourne; Mallorca; Bad Homburg 11:30 p.m. TENNIS NA/243 84* VOLLEYBALL: FIVB WOMEN’S NATIONS LEAGUE France vs. United States 4:30 a.m. CBSSN NA/247 83 RADIO TODAY TIME STATION Baseball: CWS, G1: Coastal Carolina vs. LSU 1 p.m. 1500-AM MLB: Mets at Phillies 1:15 p.m. 92.7-FM/1420-AM SUNDAY TIME STATION Baseball: CWS, G2: LSU vs. Coastal Carolina 8:30 a.m. 1500-AM NBA Finals, Game 7: Pacers at Thunder 2 p.m. 92.7-FM/1420-AM



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Nice announcement for the European Championship

An excellent overture to an important summer – the Montenegrin U16 water polo team defeated Spain in a friendly match played in Kotor 15:14. The “Young Sharks” led practically from the first to the last minute, and when they took a 180:15 lead with 12 seconds left, it was clear who would celebrate in the […]

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An excellent overture to an important summer – the Montenegrin U16 water polo team defeated Spain in a friendly match played in Kotor 15:14.

The “Young Sharks” led practically from the first to the last minute, and when they took a 180:15 lead with 12 seconds left, it was clear who would celebrate in the “Zoran Džimi Gopčević” pool, although the Spaniards managed to endure a more bearable defeat in the end.

The most efficient player in our selection was Danilo Roganović with five goals, Stefan Vraneš and Andrej Durutović scored three each, and Luka Dragović, Dimitrije Milić, Luka Nikolić and Luka Popović scored one each.

Montenegro will be competing in the European Championship from July 7th to 13th in Manisa, Turkey – in the group stage, our national team will play against Greece, Italy and Croatia.


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‘This is never what college sports were meant to be’

However, while McCoy and her team are not responsible for how WSU got into this situation, they are accountable for how WSU responds to it. That is to say that the optics of a 10-minute Zoom meeting, in which 18-24-year-olds learn that their or their teammates’ athletic pursuits will no longer be supported by WSU, […]

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However, while McCoy and her team are not responsible for how WSU got into this situation, they are accountable for how WSU responds to it.

That is to say that the optics of a 10-minute Zoom meeting, in which 18-24-year-olds learn that their or their teammates’ athletic pursuits will no longer be supported by WSU, followed by little communication or dialogue, are not great and could have been easily avoided.

Would a question-and-answer period during the Zoom meeting have changed the outcome of numerous current athletes and alumni scorning the university? No, probably not.

However, student-athletes, many of whom have moved across the country or the world to entrust their athletic and academic careers to an institution, deserve a little more grace than that.

“We were upset because they said they had known for weeks but didn’t tell us because a few of us had made it to Nationals and were still competing,” WSU sprinter Ashley Hollenbeck-Willems said.

The WSU track and field program has consistently produced national champions. While some of the program’s most decorated athletes were distance runners, four out of the five athletes to represent WSU at Nationals this past year were sprinters, comprising a 400-meter relay team.

One of those relay team members, Mason Lawyer, set the WSU record in both the indoor and outdoor 200-meter dash this year and competed in the 100 and 200 at Nationals.

Days following WSU “limiting” his events and not renewing his coach’s contract, Lawyer is in the transfer portal.

He joins a slew of WSU athletes in the portal, including Hollenbeck-Willems and Lyons, who must cancel leases and figure out their next steps without the assistance of significant name, image and likeness deals or, for many track athletes, the benefit of full scholarships.

It also leaves three coaches and their families in a similar state of transition.

Coaches and pundits alike warned that Olympic sports could suffer drastically as schools attempt to reorder their budgets to prioritize revenue sharing.

Track and field was the first WSU sport affected. It almost certainly won’t be the last.

WSU, along with the rest of college athletics, is in uncharted waters.

Before any more programs drown at sea, the powers that be — college presidents and athletic directors, conference commissioners and TV executives — should come to terms with the weight of their actions and do everything they can to reverse course.

That won’t happen because TV executives are getting everything they want and everyone else is just trying to survive.

College sports may never be the same again and no one should be spinning it into a positive or spending any energy not attempting to fix what is clearly broken.

“This is never what college sports were meant to be,” Brooke Lyons said. “College sports are meant to build a spirit and community within the universities. Obviously, now we’re seeing it’s just kind of tearing them apart, and it’s lost its purpose. And I think people need to realize that quick, or else there’s going to be a lot more issues like this.”

Perhaps the powers that be in college athletics should start listening to the college athletes themselves.

Taylor can be reached at 208-848-2268, staylor@lmtribune.com, or on X or Instagram @Sam_C_Taylor.



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