Da Feng
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sunspiderx.bsky.social
Da Feng
@sunspiderx.bsky.social
Optical Network Researcher, Electronics Engineer.

https://www.researchgate.net/profile/Da-Feng
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October 15, 2025 at 8:32 AM
Should know this dude. Presently, Al-Qaida remains in Asia.
August 14, 2025 at 3:36 AM
Tactical pen with a tungsten-steel tip. It can pass the TSA scanning and is available almost everywhere. Also, steel ones are better than aluminum ones, but the weight may not be ideal for a female.
July 9, 2025 at 4:26 AM
Does your key board mean drones? The two can be combined! The 6G may unite the two! New standards converge the IoT networks with mobile networks.
March 17, 2025 at 4:06 AM
The HAPS access point can be run as part of a local telecom infrastructure and is not controlled by a single billionaire. Even Chinese government may not rely on LEO constellation exclusively, because of return-on-investment consideration.
www.itu.int/en/mediacent...
hapsalliance.org
HAPS – High-altitude platform systems
www.itu.int
March 3, 2025 at 3:42 AM
A guess. Data-link for command guidance and uses low cost interceptor. A fighter jet can compute target position and schedule low cost interceptors for kinetic killing.
February 8, 2025 at 4:04 AM
I need to access Gmail, Linkedin and other services. I also have many friends abroad. I know more than one methods and I think you can read C*A's instructions directly.
January 28, 2025 at 9:17 AM
One party rule, just like what has happened in Syria. They label almost all dissidents are 'Falun Gong' or as separatists, just like those in Hongkong.
January 28, 2025 at 9:13 AM
I've chosen one approach to prove that I'm not a member of CCP. I'll try to use it. Check the following link.
tuidang.epochtimes.com/index/showpo...
全球退党服务中心 - 三退网站
tuidang.epochtimes.com
January 28, 2025 at 9:05 AM
Do you know 'Falun Gong'? They occasionally label me as one, though it is not true. At least I'm not CCP member.
January 28, 2025 at 8:55 AM
I have to polish my research statement. Then I expect recommends from some of my friends.
January 28, 2025 at 8:50 AM
No. I do not work for Chinese government. Both X and bluesky are blocked in China.
January 28, 2025 at 8:30 AM
Presently in China. I intend to leave and to continue my research in western countries.
January 28, 2025 at 8:17 AM
@powerfromspace1.bsky.social reposted your comments. And I just think I've found a new application for my research.
January 28, 2025 at 7:51 AM
There is a need for under-water optical network to support submarine drones! The surveillance data can be uploaded ashore. I have a U.S. patent (US-12040887-B2I) that uses spread-spectrum communication for high receiver sensitivity optical access. patents.google.com
Google Patents
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patents.google.com
January 27, 2025 at 9:19 AM
There is a need for under-water optical network to support submarine drones! The surveillance data can be uploaded ashore. I have a U.S. patent (US-12040887-B2I) that uses spread-spectrum communication for high receiver sensitivity optical access.
January 27, 2025 at 8:53 AM
If he says he is a Chinese, I would not disagree. He actually looks like one. If he can speak Mandarin, that's even more serious. That means some Chinese has strong Russia relations.
January 12, 2025 at 4:52 AM
Are they going to refuel the propellant tank or just use thermite for return trip? The aluminum fuel tank together with iron oxide can be turned into thermite. Then the carbon dioxide can function as working substance. Anyway, the return trip can be hard.
January 6, 2025 at 3:17 AM
Some historical facts. North Koreans are afraid of mobile ones. Then, an Asians local power invested a lot in it. Partly because an East Asian super power like to storm bastions with meat assault.
January 4, 2025 at 5:08 AM
I have a design which passes geant4 simulation and requires experimental verification. Presently, I'll state it as a 'fusion engine', which does not requires output exceeds input. It only needs to convert energy from electric into kinetic of particles.
At least, it can reduce time to Mars.
December 14, 2024 at 5:21 AM
Queue multiple versions of starship at Mars orbit, then try to land separate configurations one after another! That cost a lot, but saves time!
November 26, 2024 at 4:04 AM
Russia can use the same ICBM in Korean peninsula. South Koreans should also test their equipment. Or they need to develop an indigenous version.
November 24, 2024 at 4:37 AM
If allies are lost, then DrUMPf again.
October 27, 2024 at 5:55 AM
I wonder whether floor grate on top of water fountain allows recycling of rocket. That can save lots of effort and can be directly cloned on Mars.
October 18, 2024 at 4:32 AM