Companies that are testing delivery robots hit a stumbling block in San Francisco this week.

San Francisco restricts the use of delivery robots on its sidewalks

Companies that are testing delivery robots hit a stumbling block in San Francisco this week.

Excerpt from : San Francisco restricts the use of delivery robots on its sidewalks

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Picasso painting x-ray reveals hidden landscape artwork

Researchers have used a non-invasive tool to reveal artwork hidden behind Picasso’s “La Misereuse Accroupie” painting, a new study reveals. The hidden image is of a landscape; the artist is unknown. The x-ray scan, which was used to find the hidden image, also reveals earlier iterations of Picasso’s painting, helping shed light on the process that ultimately resulted in the … Continue reading

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