Trump blocking Twitter critics unconstitutional, court rules
President Donald Trump is violating free speech laws by blocking critics on Twitter, a New York federal appeals court has ruled.
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UCLA prof guilty of conspiring to steal missile secrets for China, could face more than 200 years in prison
A California professor is found guilty of stealing critical military technology and handing it over to China.
Time to talk, Hong Kong university leaders tell combatants
Digging in will solve nothing, university presidents say, as protests continue
Bitcoin’s energy consumption ‘equals that of Switzerland’
Bitcoin uses as much energy as the whole of Switzerland, a new online tool from the University of Cambridge shows.
The day the e-books stopped working
Consumers who bought ebooks via Microsoft's online store are losing access to their libraries.
Guangzhou fixes 90% of first round of improper place names
Authorities in Guangzhou, South China, have fixed over 90 percent of improper names of residential areas and major projects, local newspaper Southern Metropolitan Daily reported on Tuesday.
Second US town pays up to ransomware hackers
A town in Florida has paid $500,000 (£394,000) to hackers after a ransomware attack.
Google city sparks fresh controversy
Sidewalk Labs, a sister company of Google, has published its plans to build a smart city in Toronto, sparking fresh controversy.
Presidential warnings ‘easy’ to spoof
America's messaging system that sends presidential warnings about impending emergencies is "easy" to spoof, warn researchers.
Walmart uses AI cameras to spot thieves
US supermarket giant Walmart has confirmed it uses image recognition cameras at checkouts to detect theft.
