A newly engineered catalyst overcomes key obstacles that have long limited ammonia as a clean fuel for heavy industry.
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NASA’s Fermi Telescope Caught a Supernova Doing Something Never Seen Before
NASA’s Fermi telescope may have finally uncovered the magnetic powerhouse behind the universe’s brightest supernovae.
Microsoft 365 Android Apps Let Any App Steal Account Tokens via Leftover Debug Flag
Debug flag disabled Microsoft 365 Android token checks, letting untrusted apps access accounts; patches issued May 12 to reduce risk
New ‘HTTP/2 Bomb’ DoS attack crashes web servers in under a minute
A new denial-of-service (DoS) attack dubbed HTTP/2 Bomb can be launched from a single machine to take down web servers within seconds.
The technique works on default HTTP/2 configurations of major web servers, including NGINX, Apache HTTP Server, Microsoft IIS, Envoy, and Cloudflare Pingora.
Discovered by OpenAI’s Codex software agent under the guidance of researchers at offensive security firm Calif, HTTP/2 Bomb combines two previously known HTTP/2 DoS methods: the HPACK compression amplification and Slowloris-style resource retention via HTTP/2 flow-control stalling.