The Air Conditioning Technology That Worked Exactly as Designed — Then Failed
122 views · Sep 27, 2026 · Science & Technology
Comments · 2
@Saved_Sinner0085 · 7 hours ago
It is still legal to buy HCFC R-22 in the US, but it's production and importation into the United States is illegal. It is still legal to buy reclaimed R-22 which has been recovered domestically and reconditioned for sale from existing US systems.
@Saved_Sinner0085 · 7 hours ago
DuPont did an insane amount of damage with Teflon as well: it literally altered the genetic makeup of every single human being on Earth.
Up next
What Happened to Corel & CorelDRAW?
Proud Ruins · 58 views
He Sold It for $7.4 Billion. The Buyer Killed It in 90 Days
Proud Ruins · 2.2K views
What Did People in Ancient Rome Actually Do All Day?
Rome Unscrolled and Before Civilization · 1.3M views
The Rise and Fall of Vacuum Tubes: The Technology That Powered Early America
Vintage Electronics Archive · 11K views
Why Is a Magnetron So Dangerous?
Grandpa Walter · 313K views
Bessent PANICS As Bond CRISIS Hits WORST MOMENT - Dutch Say BACK OFF USA
House of El · 240K views
Worth $29 Billion, Killed by a Free App
The Fatal Memo · 380 views
What Happened to Adobe Flash Why the Web’s Engine Was Killed
Proud Ruins · 987 views
How Thermodynamics Was Discovered
Science Retold · 7.6K views
What Happened to Mechanical TV Tuners? The Clicking Channel Selector America Remembers
Circuit Relics · 4K views
Nokia Saw the iPhone Coming — and Froze [BEND]
Proud Ruins · 387 views
3dfx: The Graphics King That Killed Itself
Proud Ruins · 9K views
15 Foods To STOCKPILE That NEVER EXPIRE!
Pantry Secrets · 3.6M views
4.5 Billion Years of Earth's History in JUST 1 Hour | Full Documentary
Wild Horizons · 2.8M views
What Happened to the Zilog Z80? The Chip That Took 48 Years to Die
The Gadget Attic · 4.6K views
What Happened to Quattro Pro?
Proud Ruins · 3.6K views
Why Catastrophic 50°C Heat Meltdown Traps the Burj Khalifa
City Files · 2.8K views
Doctors Are Stunned Eat This One Food Every Day Watch What Happens to Inflammation | Dr. William Li
Food, Health & Science and Food & Health Lab · 347K views
Yahoo Could Have Bought Google — Twice [BEND]
Proud Ruins · 383 views
TESLA DROP A BOMBSHELL New Engine Will Destroy the Entire Electric Vehicle Industry!
cfuentescerda · 10K views
OS/2: The Operating System Microsoft Killed From the Inside
Proud Ruins · 201 views
Why Did the H-Bomb Almost Fail Over One Impossible Element? — The History of Tritium
VEIN Material and VEIN · 4.3K views
Why Did We Choose Plutonium Over Americium for Space Probes? — The History of Plutonium
VEIN Material and VEIN · 46K views
How Ordinary People Survived the Little Ice Age
Inside History · 2.5K views
Why Did the British Choose the Magnetron Over the Klystron for Radar? — The History of the Magnetron
VEIN Material and VEIN · 1.2K views
How Selenium Rectifiers Powered America Before Silicon Diodes Took Over
Vintage Electronics Archive · 1.8K views