Watch: Pupils heard 'cracking' sound heard moments before Pakistan school roof collapse
Our Urdu correspondent reports from the scene in Peshawar, north-west Pakistan, where emergency services have been responding to the incident.
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Our Urdu correspondent reports from the scene in Peshawar, north-west Pakistan, where emergency services have been responding to the incident.
Women take part in the Catalan festival, which is a quarter of a century from 2 to 6 June next year.
As part of Global Voices’ September Spotlight, “Protest in Democracy,” members of our community will be sharing examples of protest music past and present from their communities in this collaborative article.
When the AI boom first took off, companies were competing to see what their AI models can do. Now, they reassure investors of what their models CAN'T do.
🇺🇸 🇨🇳 As Donald #Trump welcomed his Chinese counterpart Xi #Jinping for a state visit on the tarmac of an airport near #Washington, the sound of a fighter jet during the military ceremony caught the US president off guard, prompting a series of startled facial expressions.
Stanford researchers have recorded the first real-time quantum jumps of sound, watching single phonons abruptly vanish from one energy state to another. The breakthrough could open new paths for quantum computing, error correction, highly sensitive biological sensors, and next-generation sound-based devices.
Sound of thunder varies depending on distance of listener from lightning as atmosphere muffles and absorbs sound A bolt of lightning heats the air almost instantly to as high as 30,000C, causing explosive expansion and a supersonic shock wave that becomes thunder. What that thunder sounds like to a listener depends largely on where they are. Nearby lightning produces a distinctive snap or crack, or a startling explosive boom. Large, complex lightning with multiple segments generates a peal of thunder, a series of booms of different pitches as the sound from each of the segments reaches you in