Engineering

Punching holes in opaque solar cells turns them transparent

Researchers in Korea have found an effective and inexpensive strategy to transform solar cells from opaque to transparent. Existing transparent solar cells tend to have a reddish hue and lower efficiency, but by punching ...

Internet

FTC: Facebook misled parents, failed to guard kids' privacy

U.S. regulators say Facebook misled parents and failed to protect the privacy of children using its Messenger Kids app, including misrepresenting the access it provided to app developers to private user data.

Engineering

The perfect recipe for efficient perovskite solar cells

They have improved a process for vertically depositing a solution made from an inexpensive perovskite solute onto a moving substrate below. Not only have they discovered the crucial role played by one of the solvents used, ...

Internet

Microsoft adds features to its Teams groupchat product

Microsoft Corp. has announced on its blog that it has added new features to Microsoft Teams, a group chat competitor to Zoom. In its announcement, Microsoft outlined the new features and included screen grabs to demonstrate ...

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