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In “Rheology,” Shayok Misha Chowdhury, an experimental theater artist, and his mother, Bulbul Chakraborty, a theoretical physicist, bridge the language of their different disciplines to explore a subject dear to both of them: loss.

Chowdhury, author of the play “Public Obscenities,” a 2024 finalist for the Pulitzer Prize, and the director of the sensational off-Broadway production of Jordan Tannahill’s “Prince Faggot,” is as tenderly devoted to his mother as the young Marcel was to his own in Proust’s “In Search of Lost Time.” The idea of his mother dying is insupportable to Chowdhury, but given that she’s in her 70s and he’s in his 40s, certain terrifying realities must be faced.

“Rheology,” which is receiving its West Coast premiere at REDCAT (in a brief run ending Saturday), is the piece they’ve created to prepare Chowdhury for that fateful day. This strikingly staged Bushwick Starr, HERE Arts Center and Ma-Yi Theater Company production is an interdisciplinary experiment that is as playful in its methodology as it is serious in its research aims.

Chakraborty, a professor at Brandeis University, starts off with a physics lesson. Her subject is sand, and she poses a simple question: Is the sand pouring through the hourglass sitting on the counter before her a liquid or a solid?

A charismatic teacher, she knows how to Socratically engage a room. Her welcoming manner draws out from the audience the different ways sand behaves both like a solid and like a liquid.

Shayok Misha Chowdhury, in rear, and Bulbul Chakraborty in “Rheology” at REDCAT.

(Roy and Edna Disney CalArts Theater [REDCAT])

Rheology, or the science of how a substance responds to external stress, is her chief interest. Her research, focused on soft condensed matter, has been seeking a comprehensive theory to explain the curious elasticity of such material. A photo of a sand dune, in which she’s seated alongside Chowdhury as a toddler, helps illustrate her point that sand can flow like a liquid yet retain its shape like a solid.

An onstage sandbox is more than just another visual accompaniment to her talk. It’s a source of both elemental mystery and childlike wonder. But elucidation is her motive. She enters the box with her bare feet, noting the way the sand flows around her toes yet supports her weight in observation of the rule that “every grain has to be in force balance.”

She writes equations on the board to explain these findings, equations that begin to glow as the production moves from the realm of pure science to the more slippery domain of art. The transition, like all aspects of this piece, is frolicsomely conducted.

While pouring sand from one container to another, Chakraborty appears to be overcome with dust. For a moment, it’s not clear if this is part of the show or a medical incident until Chowdhury, discreetly occupying a seat in the audience, asserts himself as the director. He asks his mother to run through the death scene with a different sequence of movements and introduces the accompaniment of George Crotty on cello to liberate her performance.

They are rehearsing not so much Chakraborty’s end but Chowdhury’s reaction. He assumes he will fall apart and vows to die himself out of heartbreak. Chakraborty wants him to carry on his work, just as she carried on her research as a mother with a young son who would wail uncontrollably when she would drop him off at daycare.

She recounts that his emotional outbursts were so extreme that it was painful leaving him behind. But she was assured that he was handling the separation. For proof, she was taken into a private teacher’s room, where through a one-way mirror she saw him compose himself shortly after her departure and start to play with the other children.

Mother and son enact a similar situation where, after a more permanent leave-taking, she can catch a glimpse of her son recovering himself sufficiently to survive her loss. Chowdhury, a queer artist who enjoys sampling performance modes, adopts the figure of the grieving Bollywood widow. The effect isn’t to lampoon but to confront his raw emotion and to test his capacity for resilience.

The experiment might sound sentimental, but Chakraborty, the production’s secret weapon, maintains a scientific restraint, albeit one suffused with maternal anguish. The way she listens to her son, takes in his feelings, gently suggests other possibilities of response and treats his experimental theater piece with the same dignity as her own research is incredibly moving to witness. Her performance won an Obie Award, and though she insists that she’s not an actor she demonstrates a sincerity and collaborative grace that many veteran performers would envy.

As it unfolds, “Rheology” can seem piecemeal, even haphazard. There’s an informality built into the production, but it’s somewhat deceptive because the mercurial staging is extremely precise. Chowdhury’s direction has visual panache. Kameron Neal’s video design transforms Krit Robinson’s part lab, part lecture hall set into something kaleidoscopic.

When mother and son sing songs from the famous cycle by Bengali writer-composer and Nobel laureate Rabindranath Tagore or hold a deathbed conversation in Bangla, the piece spins further across time and space. Empiricism gives way to surrealism. But the world, as any scientist probing into the atomic level can attest, contains more secrets than meets the eye.

Fragile matter is Chakraborty’s specialty, and her expertise is put to novel use in shoring up her son’s tender heart.

MINNEAPOLIS — A man who sprayed vinegar at Democratic U.S. Rep. Ilhan Omar at a town hall meeting in Minneapolis pleaded guilty to assault Thursday in federal court after reaching a deal with prosecutors.

Anthony Kazmierczak, 55, is awaiting sentencing.

Kazmierczak, dressed in bright orange jail clothing, gave only a fragmentary explanation Thursday of the Jan. 27 assault, which came as the city was already on edge after the fatal shootings of two people by federal agents during a White House crackdown that brought thousands of immigration officers to Minnesota.

After being asked what he remembered of the assault, he told U.S. District Judge Joan N. Ericksen: “It’s fuzzy.”

Kazmierczak, who was in the audience during Omar’s January town hall, leaped up when the representative called for the ouster of then-Homeland Security Secretary Kristi Noem. He sprayed liquid from a syringe as court documents say he shouted that Noem would not resign and that Omar was “splitting Minnesota apart.”

Security officers tackled Kazmierczak, who told them the liquid was vinegar.

“I didn’t want anybody to think she was in danger,” he said Thursday.

Omar, who was not injured, continued with the town hall after the arrest.

Authorities later determined he’d sprayed her with a mixture of water and apple cider vinegar. He was charged with assaulting a U.S. officer.

Court documents say Kazmierczak, a critic of Omar who has made online posts supportive of President Trump, told a close associate several years ago that “somebody should kill” her.

Omar, a refugee from Somalia, has long been a target of Trump’s anti-immigrant rhetoric. After she was elected seven years ago, Trump said she should “go back” to her home country. He has described her as “garbage” and said she should be investigated.

Trump has also accused Omar of staging the attack, telling ABC News, “She probably had herself sprayed, knowing her.”

On Thursday, Kazmierczak told Ericksen that he was being treated for Parkinson’s disease, and that he’d been diagnosed with ADHD, or attention-deficit/hyperactivity disorder, and a form of post-traumatic stress.

After his arrest, his then-attorney said that he did not have access to the medications he needed for Parkinson’s and other serious conditions.

Minnesota court records show that Kazmierczak, who was convicted of felony auto theft in 1989, has been arrested multiple times for driving under the influence and has had numerous traffic citations. There are also indications he has had significant financial problems, including two bankruptcy filings.

In social media posts, Kazmierczak had criticized former President Biden and referred to Democrats as “angry and liars.” Trump wants the U.S. to be “stronger and more prosperous,” he wrote.

Threats against members of Congress have increased in recent years, peaking in 2021 following the Jan. 6 attack on the U.S. Capitol by a mob of Trump supporters before dipping slightly, only to climb again, according to the most recent figures from the U.S. Capitol Police.

Sullivan writes for the Associated Press.

Many airports across the UK have made a major change when it comes to packing 100ml liquids in hand luggage, scrapping the rule altogether, while many still have strict rules in place

Several UK airports have ditched the 100ml rule at airport security, and it’s vital to know before heading on holiday.

UK airports are gearing up for one of the busiest travel periods as thousands of families jet off abroad during the summer holidays. While it’s an exciting time, holidaymakers should be well prepared before heading to the airport, particularly regarding airport security restrictions.

In a major change, several airports scrapped the 100ml liquid rule earlier this year, allowing passengers to carry up to two litres of liquids through security. The shift is down to new CT scanners that provide security staff with detailed 3D images of bags, allowing travelers to keep their two-liter liquids in their hand luggage when passing through airport security.

READ MORE: Beautiful overlooked European gem outside Schengen zone has £17 flights and £2 pintsREAD MORE: Experts warning over common items packed in hand luggage that can cause travel disruptions

The UK airports that have ditched the 100ml liquid rule so far include:

• Belfast International
• Belfast City
• Birmingham
• Bournemouth
• Bristol
• Edinburgh
• London Gatwick
• London Heathrow

However, it’s important to note that not every UK airport has made the switch, and many still require liquids to be 100ml or under. Despite this, many have relaxed the rules so travellers no longer need to put them in a clear plastic bag, and they can also be kept in their hand luggage when going through security.

While specific rules can vary, it’s best to check directly with the airport you’re flying from, especially in the run-up to the summer holidays. It’s also important to check any restrictions with the airport you’ll be returning home from, as countries outside the UK can have different rules, including for liquids in 100ml containers.

The UK airports that still have the 100ml liquids rule include:

• Aberdeen
• Bournemouth
• Cardiff
• East Midlands
• Glasgow International
• Glasgow Prestwick
• Inverness
• Isle of Man
• Leeds Bradford
• Liverpool
• London City
• London Stansted
• London Luton
• Manchester
• Newcastle
• Norwich
• Southampton
• Teesside

The Foreign Office states that liquids include the following:

• All drinks, including water
• Liquid or semi-liquid foods, for example, soup, jam, honey and syrups
• Cosmetics and toiletries, including creams, lotions, oils, perfumes, mascara and lip gloss
• Sprays, including shaving foam, hairspray and spray deodorants
• Pastes, including toothpaste
• Gels, including hair and shower gel
• Contact lens solution
• Any other solutions and items of similar consistency

For airports that still follow the 100ml rule, the government advice page noted that there are exemptions for baby milk or food, medicines, food for special dietary requirements or liquids purchased in duty-free.

In other news, TUI also warned holidaymakers about changes to airport security at some UK airports, where new restrictions are in place. In a travel alert to passengers, the holiday provider said: “While UK airports are installing new scanners to prepare for changes in security restrictions, at this time you should still follow current guidelines as not all airports have changed and destination airports still have these restrictions in place for your flight home.”

The airline went on to provide information on some UK airports that have implemented changes, including Aberdeen, Birmingham, Newcastle, Leeds Bradford, London Southend, and London City. TUI also advised customers to visit its airport security page on its website or the information page for the UK airport they’re departing from to find relevant details.

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TUI, easyJet, Jet2 and British Airways hand luggage rules aren’t just about what the airlines will let you bring onboard – passengers are subject to airport rules too

Brits heading on their holidays will want to take note of hand luggage rules – and not just the ones that help you swerve those pesky extra fees.

While many of us fly with different airlines including TUI, easyJet, Jet2 and British Airways, hand luggage rules aren’t just about what these firms allow; they’re also dependent on your airport, destination and other factors. These restrictions are universal across various airlines when departing from the UK, but it’s important to note that there could be different rules at the airport you’re flying back into the UK from.

If you’re found to be carrying a prohibited item in your hand luggage, it could be confiscated at airport security. On the UK government website, it states: “Airport security staff will not let anything through that they consider dangerous – even if it’s normally allowed in hand luggage.”

READ MORE: Ryanair check-in warning for Brits who risk paying extra £55 per person at the airportREAD MORE: Unexpected item most people take on holiday could get you stopped at airport security

Therefore, it’s vital to check any hand luggage restrictions before arriving at the airport to ensure a safe and seamless journey. It’s also important to check the size limits for your carry-on bag before your flight, as they vary by airline.

List of common items banned in hand luggage

Corkscrew: but it is allowed in hold luggage.

Knife (with a sharp or pointed blade and/or blade longer than 6cm) – but it could be allowed in hold luggage depending on the airline.

Large scissors (with blades longer than 6cm) – but it could be allowed in hold luggage depending on the airline. However, you can carry small scissors, such as sewing or embroidery scissors, in your hand luggage, but the blade must be shorter than 6cm.

Fireworks, flares and other pyrotechnics (including party poppers and toy caps): these are also not allowed in hold luggage.

Non-safety matches: and they are not allowed in hold luggage either. However, safety matches are allowed in hand luggage, but not in hold luggage.

Liquids: The majority of UK airports require liquids to be under 100ml; however, some airports have scrapped this rule. This includes: Birmingham, Bristol, Edinburgh, London Gatwick, London Heathrow, London City, Teesside, Belfast International, Belfast City, and Newquay. As rules have evolved, it’s advisable to check directly with the airport for both your outbound and inbound flights, as countries outside the UK may also impose different restrictions. The government outlines that you cannot take frozen liquids, including frozen breast milk, in your hand luggage, but there are some exceptions to the 100ml rule. Passengers are allowed to take “liquid containers up to 2 litres through security at all UK airports” for medical purposes, special dietary requirements, or baby food or milk. Liquids above 100ml purchased at the airport or from duty-free can be taken on board.

Cigarette lighters : they must be placed in a resealable plastic bag in carry-on luggage and kept on you throughout the flight. The government states that passengers may carry only one lighter on board an aircraft, and it cannot be packed in hold luggage.

Niche items banned in hand luggage

Heavy bats and sticks (including baseball, softball and cricket bats): – although they are allowed in hold luggage.

Golf clubs, darts, walking/hiking poles, catapult, crossbow and martial arts equipment (including knuckledusters, clubs, coshes, rice flails and nunchuks): but they are all permitted in hold luggage.

Firearms (including replica firearms): but they could be allowed in hold luggage, so it’s best to check directly with your airline before travel.

Harpoon or spear gun: but they might be allowed in hold luggage, so check directly with your airline before travel.

Work tools: this includes drills, a tool with a blade or shaft longer than 6cm, Stanley knife, saw, screwdriver, hammer, pliers, wrench or spanner, bolt gun or nail gun, crowbar and blowtorch). However, they can be taken in hold luggage.

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