Pressure Vessel

The Reactive Additive Manufacturing for the Fourth Industrial Revolution, or RAMFIRE, project focuses on advancing lightweight, additively manufactured aluminum rocket nozzles

The Titanic director has made 33 dives to the shipwreck and visited ocean depths in a submersible he built himself. He compares OceanGate to the Titanic in that both ignored safety warnings.

The « Titanic » director, an experienced deep-sea explorer who has visited the ship's wreckage site many times, said OceanGate « cut corners » with its submersible.

He got info from fellow deep-sea enthusiasts, figured what must have happened

OceanGate touted relationships with Boeing and the University of Washington.

The Titan submersible, which embarked on a journey toward the Titanic wreckage, has suffered a "catastrophic implosion," according to the US Coast Guard.

The task is huge: Finding a craft the size of a minivan in an area twice the size of the state of Connecticut and up to 2½ miles deep.

Everything we know about the submersible that went missing on a mission to survey the Titanic.

Article URL: http://www.gravityloss.com/2023/06/1569/ Comments URL: https://news.ycombinator.com/item?id=36348025 Points: 1 # Comments: 0

Paleontologists who discovered the beast completed a CT scan on the skull and revealed these bristles, described like a "brush cut."

Article URL: http://virtualniprohlidky.cez.cz/cez-temelin-aj/ Comments URL: https://news.ycombinator.com/item?id=34593630 Points: 1 # Comments: 0

Going off-grid? Think twice before you invest in a battery system. Compressed air energy storage is the sustainable and resilient alternative to batteries, with much longer life expectancy, lower life cycle costs, technical simplicity, and low maintenance. Designing a compressed air energy storage system that combines high efficiency with small storage size is not self-explanatory, but a growing number of…

The Hainan province will get a new source of energy for the region.

A C02 battery developed by startup Energy Dome announced a new partnership with wind giant Ørsted. It's an early test of whether the CO2 battery can compete against lithium-ion batteries and other technologies in the rapidly growing energy storage industry.

Article URL: https://en.wikipedia.org/wiki/Water_Resistant_mark Comments URL: https://news.ycombinator.com/item?id=32430388 Points: 1 # Comments: 0

In 2016, experts writing in Nature listed seven breakthroughs in how we process chemicals that could change the world for the better. We believe we've just ticked one of those off the list.

For 50 years, humans haven't traveled more than a few hundred miles above Earth. Now, NASA's plan to return to the moon is kicking into high gear.

Soda's effervescence comes from carbon dioxide bubbles.

This article discusses different types of rocket engine cycles, from pressure-fed through gas generator, to full-flow staged combustion.

Article URL: https://www.antipope.org/charlie/blog-static/rants/nothing-like-this-will-be-buil.html Comments URL: https://news.ycombinator.com/item?id=29890470 Points: 1 # Comments: 0