For much of WhatsApp’s existence, it was easy for users to forward a single message to as many as 256 people with just a few taps. Initially, these messages were not labeled as forwards, and the end-to-end encryption in WhatsApp could make it almost impossible for authorities to determine who might be using the app to spread hate speech or calls to violence. This triggered a crisis in India, where WhatsApp was linked to mob violence. … [Read more...] about WhatsApp puts new limits on the forwarding of viral messages
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In tegenstelling tot recente voorspellingen dat de iPhone 12-serie zou kunnen worden vertraagd tot volgend jaar, is er nu een lek van tech-analist Jon Prosser. Hij claimt dat de prototypes van de aankomende iPhones inmiddels afgewerkt zijn, waardoor een lancering in 2020 perfect mogelijk is. … [Read more...] about Nieuw iPhone 12 lek toont vier verschillende smartphones
A slice of prehistoric life Similar axe-adzes and stone pestles had turned up at archaeological sites in the New Guinea highlands before, but they were usually scattered on the surface, with no way to tell how old they were. At Waim, University of New South Wales archaeologist Ben Shaw and his colleagues radiocarbon dated 12 fragments of wood and charcoal from the same layer as the artifacts. The carvings, tools, pestles, and postholes turned out to be between 5,050 and 4,200 years old. … [Read more...] about New Guinea villagers unearth evidence of the island’s Neolithic past
Microscopes evolveErnst Ruska was born the last of five children on Christmas Day 1906, in Heidelberg, Germany. He studied electronics at the Technical College in Munich and went on to study high voltage and vacuum technology at the Technical College of Berlin. It was there that Ruska and his adviser, Dr. Max Knoll, first created a “lens” of a magnetic field and electrical current. By 1933, the pair built an electron microscope that could surpass the magnifying limits of the optical microscope at the time. … [Read more...] about Who Invented the Microscope?