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NASA conducts 'confidence test' of Artemis II SLS rocket, catches issue with liquid hydrogen flow

Engineers will review the data before setting the timeline for the second wet dress rehearsal.

NASA has a new problem to fix before the next Artemis II countdown test

The next series of launch opportunities for the Artemis II mission begin March 3. If the mission doesn’t lift off in March, NASA will need to roll the rocket back to the Vehicle Assembly Building to ...
IEEE

Solution of Minimum-cost Maximum-flow Problem with Interval Capacities at the DBMS Level

Abstract: The minimum-cost maximum-flow problem is a fundamental challenge in network optimization, with applications spanning logistics, telecommunications, and resource allocation. Traditional ...

Too Many Worries Exist To Get On Board With TFI International

TFI International (TFII) faces freight recession headwinds, falling earnings, and weak 2025 guidance; valuation lags peers.
IEEE

Low-Complexity Worst-Case Load Flow for Power Distribution Systems with Injection Uncertainties

Abstract: This paper proposes a real-time solution method for a variant of the interval load flow problem of seeking extremal bus voltages and line currents for radial power distribution systems ...

ULA’s Vulcan rocket suffers another booster problem on the way to orbit

Moments after liftoff from Florida’s Space Coast early Thursday morning, a shower of sparks emerged in the exhaust plume of United Launch Alliance’s Vulcan rocket. Seconds later, the rocket twisted on ...