Lens,Industrial Scientific , Science Education , Optics,mm,/Hippomenes689873.html,SEOH,$8,cannafestva.com,75,Acrylic,Convex,Prism Lens,Industrial Scientific , Science Education , Optics,mm,/Hippomenes689873.html,SEOH,$8,cannafestva.com,75,Acrylic,Convex,Prism SEOH Acrylic Prism Lens mm Convex 75 In stock $8 SEOH Acrylic Prism Lens Convex 75 mm Industrial Scientific Science Education Optics SEOH Acrylic Prism Lens mm Convex 75 In stock $8 SEOH Acrylic Prism Lens Convex 75 mm Industrial Scientific Science Education Optics

SEOH Acrylic Ranking TOP13 Prism Lens mm Convex 75 In stock

SEOH Acrylic Prism Lens Convex 75 mm


SEOH Acrylic Prism Lens Convex 75 mm


Product description

For refraction experiments. Made out of bubble free acrylic sheet. Optically polished on all sides. Edges slightly beveled.

SEOH Acrylic Prism Lens Convex 75 mm

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The Massachusetts State Police headquarters in Framingham, Mass. The State Police Association of Massachusetts said "dozens" of troopers have submitted resignation papers as a result of the state's mandatory COVID-19 vaccine mandate. Boston Globe via Getty Images hide caption

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Boston Globe via Getty Images

Dozens Of Massachusetts State Police Have Resigned Over A Vaccine Mandate, Union Says

Under the governor's executive order, all executive department employees are required to show proof of vaccination by Oct. 17. Up to 20% of state police employees reportedly are not vaccinated.

A patch containing the active ingredient Fentanyl is shown by a pharmacist. The painkiller fentanyl, which can be up to 100 times stronger than heroin, is a growing cause of overdose deaths in the U.S., according to the DEA. Carsten Rehder/dpa/picture alliance via Getty I hide caption

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Carsten Rehder/dpa/picture alliance via Getty I

The DEA Is Warning Of A Rise In Overdose Deaths From Fake Drugs Laced With Fentanyl

In its first public safety alert in six years, the Drug Enforcement Administration says many counterfeit prescription drugs sold online contain a potentially lethal dose of the opioid.

Isabel Allende's (right) newest memoir is The Soul of a Woman, and Sandra Cisneros' (left) latest book is a bilingual tale of ex-pat Latinas in Paris, Martita, I Remember You/Martita, te recuerdo. Leonardo Cendamo/Getty Images / NPR Illustration hide caption

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Leonardo Cendamo/Getty Images / NPR Illustration

Novelists Isabel Allende And Sandra Cisneros Describe Living With — And Writing In — Two Languages

Allende (The Soul of a Woman) and Cisneros (Martita, I Remember You/Martita, te recuerdo) describe the role of women in Latino cultures and why you kill off the handsome male character by page 112.


Fred Harris, pictured in 2016, is the last surviving member of the Kerner commission. Their report openly discussed racism in the U.S. in a way that sent shockwaves through the country. Morgan Lee/AP hide caption

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Morgan Lee/AP

The Last Surviving Author Of A Landmark Report That Openly Discussed Racism Says The Work Isn't Done

Former U.S. Sen. Fred Harris is the last surviving member of the Kerner commission, appointed in 1967 to study the root causes of social unrest in America. Its groundbreaking report blamed racism.

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Agents for Customs and Border Protection board a Greyhound bus headed for Portland, Ore., in February 2020, in Spokane, Wash. Greyhound Lines Inc. will pay $2.2 million to settle a lawsuit over the practice of agents to board buses in Washington state to conduct warrantless immigration sweeps. Nicholas K. Geranios/AP hide caption

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Nicholas K. Geranios/AP

Greyhound Will Pay A $2.2 Million Settlement For Letting Border Patrol Conduct Sweeps On Its Buses

The company failed to warn customers of the searches and subjected passengers to discrimination based on skin color or national origin, the Washington state attorney general said Monday.

Mary Bradshaw's fire-hardened home in Elkhorn, Oregon, on Feb. 26, 2021. It was one of few that survived the Beachie Creek fire in the area. Kristyna Wentz-Graff/OPB hide caption

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Kristyna Wentz-Graff/OPB

Oregon Has A New Plan To Protect Homes From Wildfire. Homebuilders Are Pushing Back

Oregon Public Broadcasting

Industry groups and property owners are wary of mandating fire-resistant materials in new construction. There's also controversy over exactly where the new rules should be required.

Ben Platt won a Tony award in 2017 for his starring role in Dear Evan Hansen. Now he's starring in a new film adaptation of the musical. Brian Ach/Invision/AP hide caption

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Brian Ach/Invision/AP

'Dear Evan Hansen' Actor Ben Platt Escapes From Anxiety By Being In The Spotlight

Fresh Air

Platt frequently worries about the past and what's to come, but there's one place where his anxiety tends to subside. "Being on stage, for me, is kind of the antidote to that," he says.

'Dear Evan Hansen' Actor Ben Platt Escapes From Anxiety By Being In The Spotlight

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New York City police officers investigate a shooting homicide scene on Aug. 20, 2020 in Brooklyn, New York. Andrew Lichtenstein/Corbis via Getty Images hide caption

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Andrew Lichtenstein/Corbis via Getty Images

There Was An Unprecedented Spike In Murders Nationwide In 2020, According To The FBI

The number of murders in the U.S. rose nearly 30% in 2020 compared with the previous year, according to FBI statistics. It is the largest single-year increase since the record-keeping began.

Engineer Marian Croak (left) and ophthalmologist Dr. Patricia Bath (right) are the first Black women to be inducted into the National Inventors Hall of Fame in its nearly 50-year history. National Inventors Hall of Fame hide caption

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National Inventors Hall of Fame

Meet The First 2 Black Women To Be Inducted Into The National Inventors Hall Of Fame

Dr. Patricia Bath transformed cataract surgery and fought to eradicate preventable blindness. Marian Croak pioneered the technology behind audio- and videoconferencing and text-to-donate services.



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