"With this, we can detect very tiny changes in both position and momentum at once, beyond the limit of any classical sensor," the authors explained.

We analyzed Milan’s real estate market: how much it costs to buy a home today, which neighborhoods are changing, and who is being left out as the city races toward the future.

LIMBURG, Belgium — The Chinese businessmen arrived in the Belgian countryside driving luxury sports cars, ferrying translators and bags of cash. When they parked in front of Tom Van Gaver’s small ...