Asteroid 2024 YR4 has seen its potential threat level reduced to a Level 1 on the Torino Scale of Near-Earth Object (NEO) collision risk. The asteroid’s size and shape were determined by observations from multiple telescopes, including the James Webb Space Telescope. Initially, estimates suggested a direct strike was likely, but further data gathering has lowered the risk.
Meanwhile, an error in a Citibank customer’s credit account raised eyebrows due to its size – 80% of the global economy. The mistake was discovered by the third person reviewing the transaction, and it was corrected before any major issues arose.
Near-Earth space is becoming increasingly crowded as satellite launches increase. A recent image from the Lunar Reconnaissance Orbiter shows a blurred streak caused by two probes in parallel orbits around the Moon, demonstrating the challenges of tracking objects in space.
On a lighter note, a prank on an American Airlines flight was foiled when a passenger attempted to set up a phone hotspot with a misleading name. The incident resulted in a four-hour delay and delayed connections for fellow passengers.
Finally, an article by Brian Potter on Construction Physics explores the complexities of building a jet engine. From their invention during World War II to modern incarnations, the author delves into the engineering challenges faced in creating practical and efficient propulsion systems.
Source: https://hackaday.com/2025/03/02/hackaday-links-march-2-2025