Mastodawn

Strange Ways to Make Cold https://hackaday.com/2026/05/04/strange-ways-to-make-cold/
#HackadayColumns #Science #Activecooling #Refrigerant #Refrigeration

Strange Ways To Make Cold

Making stuff cool and keeping it that way has been a pretty essential part of human civilization for thousands of years, with only in the past few hundred years man-made methods having become avail…

Hackaday

Hackaday [Unofficial]May 4

Strange Ways to Make Cold

https://web.brid.gy/r/https://hackaday.com/2026/05/04/strange-ways-to-make-cold/

Bobbing Boat Apr 13

Frost on the roof this morning.

The rope, wet from yesterday's rain,was frozen into a coil.

I pushed off just before 08:00 o'clock, and made good time. The sun joined me, with very few clouds, and made the day lovely.

With the curtains open, the lounge is now 21°C (70°F), so I've just drawn the curtains on the sunny side. There's no need for more heat as it makes the 12-volt fridge work harder.😅

#CanalLife #canal #boating #narrowboat #boat #rope #frost #sun #refrigeration #sunny #UK #weather

Hackaday [Unofficial]Apr 12

Testing Refrigerants and Capillary Tubes to Find Peak Performance

https://fed.brid.gy/r/https://hackaday.com/2026/04/11/testing-refrigerants-and-capillary-tubes-to-find-peak-performance/

13 Apr 12

Testing Refrigerants and Capillary Tubes to Find Peak Performance https://hackaday.com/2026/04/11/testing-refrigerants-and-capillary-tubes-to-find-peak-performance/
#Science #Refrigerant #Refrigeration

Testing Refrigerants And Capillary Tubes To Find Peak Performance

Although vapor-compression refrigeration is a simple concept, there are still a lot of details in the implementation of such a system that determines exactly how efficient it is. After making a few…

Hackaday

Richard Michael Blaber Apr 8

https://www.theguardian.com/commentisfree/2026/apr/07/trump-iran-international-war-crimes-prosecution. He can indeed - & so can anyone who works for him, & anyone in the #US #armed #forces. "If the #civilian harm of targeting the object is disproportionate to the #military gain, it cannot be attacked. For example, destroying a country’s electricity-generating capacity has cascading effects throughout a modern #society, disrupting #sanitation, #refrigeration, #hospitals & other necessities."

If Trump commits war crimes in Iran, he can be prosecuted

There is no question that Trump’s threats, if carried out, would amount to war crimes. The international justice system is positioned to act

The Guardian

WIRED - The Latest in Technology, Science, Culture and Business [Unofficial]Mar 31

Vitesy Shelfy 2 Smart Fridge Purifier Review: Small Box, Big Promises

https://fed.brid.gy/r/https://www.wired.com/review/vitesy-shelfy-2/

Hackaday [Unofficial]Mar 5

Using a Solid-State Elastocaloric Cooler to Freeze Water

https://fed.brid.gy/r/https://hackaday.com/2026/03/05/using-a-solid-state-elastocaloric-cooler-to-freeze-water/

13 Mar 5

Using a Solid-State Elastocaloric Cooler to Freeze Water https://hackaday.com/2026/03/05/using-a-solid-state-elastocaloric-cooler-to-freeze-water/
#Science #Elastocaloric #Refrigeration

Using A Solid-State Elastocaloric Cooler To Freeze Water

Elastocaloric materials are a class of materials that exhibit a big change in temperature when exposed to mechanical stress. This could potentially make them useful as solid-state replacement for b…

Hackaday

Paul Houle Feb 23

🆒 The Transcritical CO2 Cycle: Promise, Pitfalls, and Prospects

https://www.mdpi.com/1996-1073/19/3/585

#engineering #cooling #refrigeration #hvac #heatpump #co2 #turbines