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A study published in Microbiology Spectrum tested the long-held belief that Bunsen burners create protective convection currents that clear bacteria from lab benches. Researchers led by microbiologist Hannah Gavin used a visible strain of bacteria, Gordonia rubripertincta, to show the burners did not reduce contamination and in some cases spread it further across surfaces.
A recent IEEE Spectrum careers newsletter, produced with Parsity, argues that engineers can gain mentorship benefits without ever formally asking someone to be a mentor. The author describes learning by observing and copying admired colleagues' habits, and by asking small, targeted questions about how others solve problems or approach their work.
AT&T filed a lawsuit against Charter on Friday, claiming Spectrum's marketing of its internet as 'fiber-powered' misleads customers who aren't actually getting a full fiber connection. Spectrum's network relies on fiber-optic lines for most of its infrastructure but typically switches to copper coaxial cable for the final stretch into homes, unlike true fiber providers that run fiber directly to the wall jack. The suit was filed in Dallas, a market where both companies compete heavily for broadband customers.
Spectrum is now offering a complimentary Amazon Prime subscription, normally priced at $14.99 monthly, to customers enrolled in its Internet Assist program for low-income households and seniors. Eligibility includes recipients of SSI, SNAP, Medicaid or the National School Lunch Program, and both new and existing Spectrum internet customers can claim it regardless of which internet tier they use. The perk arrives shortly after Spectrum reported losing 172,000 internet subscribers in its latest quarterly earnings.
Nvidia reports fiscal second-quarter results Wednesday, with investors closely watching how much of its revenue still comes from a handful of hyperscale cloud giants versus a broader base of AI cloud, industrial and enterprise customers. The company recently began splitting its reporting into hyperscaler revenue and a separate category it calls ACIE, covering thousands of other buyers. CEO Jensen Huang has acknowledged that hyperscalers remain the easiest customers to sell to because there are only a handful of them, compared with roughly 250,000 other companies in the broader market.