2 ms·
The article said 2 Petawatts for 25 quintillionths of a second. That's about 50mJ. That's about the amount of power used in your phone's flash when taking a pi
by ta1243 1y ago
The article said 2 Petawatts for 25 quintillionths of a second. That's about 50mJ.
That's about the amount of power used in your phone's flash when taking a picture, not a few seconds, but the LED being on for about 50-100 milliseconds.
- owenversteeg 1y agoNot sure if the article is accurate (the accuracy of numbers in written text took a nosedive concurrent with the rise of LLMs), but the capabilities page of the laser’s website claims 23 femtoseconds pulse duration, 2 PW power, 50 J energy, and 1 shot per minute. 50 J is roughly a 3W light for 15 seconds. https://zeus.engin.umich.edu/about/capabilities/ https://zeus.engin.umich.edu/about/capabilities/
- mschuster91 1y ago> Not sure if the article is accurate (the accuracy of numbers in written text took a nosedive concurrent with the rise of LLMs) Written text accuracy took a nosedive in the early '00s as newspapers couldn't afford to hire journalists with a scientific background, followed by universities not hiring scientists to write press releases any more. GIGO - garbage in, garbage out.