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Hard core observation 545 50 years ago, Apollo 15 made a feather landing experiment on the moon
2022-07-06 22:51:00 【Boundless Technology】
Reading guide : more :• James • The Weber Space Telescope sent back its first image • AI Defeat human players in the racing game , Just to add some challenge and fun to mankind
The number of words in this article :799, The reading time is about :1 minute
author : Hard core Wang
50 Years ago, Apollo 15 No. 1 made a feather landing experiment on the moon
If you drop a heavy object and a light object at the same time , Which will fall faster ? This is one of the most classical physical problems .1971 Apollo 15 During the lunar landing on August , The commander David Scott Holding a hammer and an eagle feather , Throw them on the rocks of the moon . Feathers and hammers Landing at the same time www.wired.com. There is different gravity on the moon , But that's not the problem , The lack of air on the moon is the key to the problem .
Lao Wang comments : Although anyone who has studied physics knows , But it's also interesting to do this experiment . I don't know what experiments China will do after landing on the moon ?
James • The Weber Space Telescope sent back its first image
This image www.space.com It shows a star named HD 84406 Star , It is 2 month 2 Beginning of the day 25 Part of the mosaic shot within hours , At that time, it was in the process of aligning the segmented mirror of the observatory . You can't see it on earth without a telescope HD 84406 Of , But after the commissioning of Weber Space Telescope , Will not be observed HD 84406, Because once the telescope is focused , The star will become too bright to be observed . The Weber space telescope is in the process of commissioning, which is expected to last about six months .
Lao Wang comments : This should be the best sight on earth “ eyes ” 了 .
AI Defeat human players in the racing game , Just to add some challenge and fun to mankind
Sony provides its racing simulator 《GT The car 》 Trained the strongest opponent ever , A champion who can beat the top E-sports drivers in their game . In more than 1000 platform PlayStation 4 On the battlefield of game console , This AI Racing driver www.fastcompany.com Be able to identify the best track route , Perform skilled tactical operations , Even surpass or block competitors in vehicle scuffle , At the same time, it also abides by human game etiquette . But Sony developed this AI Our desire is by no means to crush the human spirit , Or let mankind feel defeated . contrary , It is to stimulate the emerging challenge of E-sports , Especially among elite players who feel they have no challenge .
Lao Wang comments : Create an opponent without an opponent .
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