开发者
NASA selects Eric Schmidt’s rocket company for a 2028 mission to Mars
Relativity Space, the rocket company led by former Google executive Eric Schmidt, was picked to launch NASA's Aeolus payload to Mars in 2028, as reported earlier by TechCrunch. Under a new public-private partnership, Relativity Space will provide the "spacecraft, rocket, and cruise operations" to fly Aeolus to Mars, where the payload will "provide the first […]
开源项目
Rocket Report: Rebuild begins at Blue Origin launch pad; Relativity targets Mars
A French launch startup is scrapping the name of its rocket, apparently due to a trademark issue.
开发者
A bold satellite rescue mission came together in record time, but will it work?
"I consider this a success already, just from the fact that we're even going to try this."
科技前沿
NASA asks Northrop Grumman to stop working on lunar HALO module
"We are reassigning most affected employees across existing opportunities and programs."
开源项目
Before SpaceX IPO, investors in China secretly acquired stakes
One previously unreported SpaceX investor has ties to Chinese military contractors.
科技前沿
Cosmonaut Aleksandr Samokutyaev, 56, is first former ISS crew member to die
Two expeditions, two spacewalks, 322 days in space.
科技前沿
NASA is sending an orbiter to Mars with Eric Schmidt's Relativity Space
NASA has teamed up with Eric Schmidt's Relativity Space for a 2028 Martian mission.
AI 资讯
The search for dark matter has been blown wide open
Underneath an Apennine massif, below the Jinping Mountains of Sichuan, and at the bottom of a South Dakota mine, there is a cosmic hunt afoot. Isolated deep beneath these rocky shields, massive detectors filled with liquid xenon aim to make the first direct detections of dark matter, the long-sought invisible substance whose gravity has sculpted…
AI 资讯
NASA picks Eric Schmidt’s rocket company for Mars mission, setting up a race with SpaceX
Relativity Space—a rocket maker acquired by former Google executive chair Eric Schmidt last year after stumbling on the path to orbit—might just beat SpaceX to Mars.
开发者
Roelof Botha joins SpaceX’s board of directors
The former Sequoia Capital leader is filling an "existing vacancy" on SpaceX's board, days after the company went public in the largest IPO ever.
科技前沿
Towers once planned for California shuttle launches leveled for SpaceX rockets
"Space Launch Complex-6 represents six decades of American innovation."
科技前沿
The Webb telescope has captured its first 'bulge fossil fragment'
The funny-sounding name offers new insights into galaxy formation.
科技前沿
SpaceX valuation balloons to $2.6T, briefly passes Amazon
SpaceX's valuation has increased by $1 trillion since its shares started trading on Friday.
科技前沿
SpaceX is public: Everything you need to know post-IPO
TechCrunch has followed SpaceX's start, struggles, and successes from the early days. And we're here for what happens next too. This package of SpaceX IPO coverage includes who stands to win (and maybe some who won't), pre-IPO deals, and what's tucked inside its S-1 registration document.
科技前沿
SpaceX passes Amazon as valuation balloons to $2.7T
SpaceX's valuation has increased by $1 trillion since its shares started trading on Friday.
AI 资讯
SpaceX to acquire Cursor for $60B in stock, days after blockbuster IPO
The deal is supposed to help SpaceX's struggling AI division. The company told IPO investors it sees a $26 trillion addressable market in AI.
AI 资讯
Runtime Backends: A Deep Dive into qwrap vs Container Isolation Modes
In sandbox runtimes, "isolation" is the core requirement. qwrap (based on bwrap user namespace) and Container (podman/docker) are two mainstream backends. They solve the same problem — running code in a restricted environment — but take completely different paths. This article uses extensive analogies to help you understand the similarities and differences. Building Intuition: Two Ways to "Lock the Door" Imagine you need to confine someone you don't fully trust in a room to do work: qwrap approach : In your existing house, you put up a partition to wall off a corner, leaving only a small window to pass materials through. The walls are still the original walls, the floor is still the original floor, but the person can only see what's inside the partition. Container approach : You build a shipping container with its own independent power, water, and ventilation systems. Put the person inside, close the door. They feel like they're in a complete little house, completely unaware of what's outside. This is the most fundamental difference: qwrap is lightweight view isolation, Container is complete environment encapsulation . What is qwrap (bwrap user namespace) qwrap uses bubblewrap (bwrap) under the hood, a sandboxing tool that leverages Linux user namespaces. How it Works Host filesystem ├── /usr/bin/python3 ← Host's Python ├── /home/user/project/ ← User project └── /tmp/secrets/ ← Sensitive files qwrap sandbox view (what the process sees) ├── /usr/bin/python3 ← bind-mounted in, read-only ├── /workspace/ ← Only the project directory is exposed └── (/tmp/secrets/ doesn't exist) ← Completely invisible Key mechanisms: User Namespace : The process thinks it's root, but actually maps to an unprivileged user on the host Mount Namespace : Only bind-mounts necessary directories in, everything else is invisible No images, no layers, no network namespace (unless explicitly configured) Analogy: VPN Split Tunneling qwrap is like split-tunneling rules on your phone — you're not wrap
AI 资讯
Key mission for Europe's commercial space enterprise scrubbed again
Isar Aerospace is not hurting for money, but it is sorely lacking in the currency of flight experience.
科技前沿
A Chinese rocket breaks apart dangerously close to the Starlink constellation
The rocket's breakup likely generated 100 to 150 new pieces of space junk.
科技前沿
SpaceX is public: Everything you need to know post-IPO
TechCrunch has followed SpaceX's start, struggles, and successes from the early days. And we're here for what happens next too. This package of SpaceX IPO coverage includes who stands to win (and maybe some who won't), pre-IPO deals, and what's tucked inside its S-1 registration document.