Friday links

Today is Flag Day and the birthday of the U.S. Army.

Sunscreen Prevents Cancer, Right? Well, It’s Complicated.

When Foster Care Meant Farm Labor.

“Kids, you tried your best and you failed miserably. The lesson is, never try.” - A selection of parenting advice from Homer Simpson:  Related: one of my favorite Father's Day stories (NSFW- language).

Physics: on the physical (im)possibility of lightsabers". Direct link to the PDF.

The Literal Translation Of Every Country's Name, Mapped.

ICYMI, most recent links are here, and include urban and wilderness survival hacks, eating out in Victorian England, the photos on which classic pin-up girl paintings were based, and how Dr. Seuss changed education in America.

Defense News has a series of shocking stories about the F-35

Defense News:

The Pentagon is battling the clock to fix serious, unreported F-35 problems

Defense News exclusively obtained documents detailing the F-35 jet's most serious deficiencies.

Two F-35 partners threatened to quit the program. Here’s why they didn’t.

How serious were the problems? Serious enough that a couple countries threatened to pull out of the program, according to U.S. Defense Department documents.

 

Supersonic speeds could cause big problems for the F-35′s stealth coating

Supersonic flight at the edge of the F-35 jet's flight envelope could cause structural damage or degrade its stealth coating, warn documents

A fix is coming for a problem that left two F-35 pilots in ‘excruciating’ pain

Oxygen deprivation isn't the only issue known to cause physiological episodes among F-35 pilots.

When the F-35 blows a tire, it can set off a chain reaction of potential failures.

The problem has been fixed in the carrier variant, but why aren't the "A" and "B" models getting the same correction?

FAQ: Your guide to understanding how the military rates F-35 technical shortfalls

 

When US Navy and Marine F-35 pilots most need performance, the aircraft becomes erratic

The U.S. Navy and Marine Corps’ F-35s become unpredictable to handle when executing the kind of extreme maneuvers a pilot would use in a dogfight or while avoiding a missile.

The Marine Corps’ ‘No. 1 priority’ for the F-35 involves a rough landing in hot environments

When it's a hot one, the F-35B might struggle to land safely. And that could be bad news for industry.

Monday links

On June 10, 1964, Democrats Filibustered the Civil Rights Act. Related - 1920's KKK application form.

This article on impotence trials of the 14th through 17th centuries contains an awe-inspiring collection of cheesy sexually-themed metaphors.

18 Urban and Wilderness Survival Hacks That Would Make MacGyver Proud.

Classic Pin-Up Girls Before and After Editing: The Real Women Behind Gil Elvgren's Paintings.

How Dr. Seuss Changed Education in America.

What it was like to eat out in Victorian England.

ICYMI, most recent links are here, and include how regulations make all cars look so much alike, why almost all city trees are male and produce so much pollen, and the anniversaries of D-Day and Dunkirk.