Internet

TikTok, YouTube and Snapchat defend impact on kids at US hearing

Three social media networks massively popular with the youngest users—TikTok, Snapchat and YouTube—tried to convince skeptical US lawmakers Tuesday they are safe as worry about Facebook's potential harms spills over to ...

Energy & Green Tech

UK trial of hydrogen blended gas regarded a success

Members of the consortium running the U.K.'s first hydrogen blended gas project are hailing it as a success. The project, known as HyDeploy, has been running at Keele University, where both university buildings and homes ...

Engineering

Why 'nuclear batteries' offer a new approach to carbon-free energy

We may be on the brink of a new paradigm for nuclear power, a group of nuclear specialists suggested recently in The Bridge, the journal of the National Academy of Engineering. Much as large, expensive, and centralized computers ...

Other

A peek behind the IT curtain of EU's 'vaccine passport'

From video calls involving 130 people to no-shows at the general rehearsal, Josef Lieven and his team of software engineers faced their share of challenges on the road to Europe's digital COVID certificate.

Robotics

PufferBot: A flying robot with an expandable body

Researchers at University of Colorado Boulder's ATLAS Institute and University of Calgary have recently developed an actuated, expandable structure that can be used to fabricate shape-changing aerial robots. In a paper set ...

Other

FAA spells out design changes needed in grounded Boeing jet

Federal regulators on Monday outlined a list of design changes they will require in the Boeing 737 Max to fix safety issues that were discovered after two deadly crashes that led to the worldwide grounding of the plane.

Other

Boeing 737 MAX inches towards flying again

The grounded Boeing 737 MAX moved another step closer towards flying again Tuesday as US regulators said they would soon accept public comments on a roadmap to recertify the jet.

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