Long-overlooked marvel of ancient Indigenous engineering gets validation in Ohio
8:00
YouTubePBS NewsHour
Long-overlooked marvel of ancient Indigenous engineering gets validation in Ohio
On Native American Heritage Day, we examine a long-overlooked marvel of ancient engineering that had been tucked away beneath a golf course in Ohio. It is a place some archaeologists say is on par with Stonehenge. But its struggle for recognition spanned decades, ending only recently with validation as the state’s only World Heritage site ...
已浏览 12.7万 次5 天之前
Transistor Basics
Transistors Explained - What is a transistor?
1:00
Transistors Explained - What is a transistor?
YouTubeThe Engineering Mindset
已浏览 338.4万 次2023年2月10日
Transistor Introduction (Bipolar Transistors & its Biasing) Basic Electronics
13:41
Transistor Introduction (Bipolar Transistors & its Biasing) Basic Electronics
YouTubeGautam Varde
已浏览 59.6万 次2022年5月23日
Transistors - NPN & PNP - Basic Introduction
30:17
Transistors - NPN & PNP - Basic Introduction
YouTubeThe Organic Chemistry Tutor
已浏览 142.9万 次2020年2月27日
热门视频
Securing America’s Biotech Future | Policy Stories with Drew Endy
5:21
Securing America’s Biotech Future | Policy Stories with Drew Endy
YouTubeHoover Institution
已浏览 17万 次2 天之前
Joe Rogan Experience #2417 - Ben van Kerkwyk
2:48:25
Joe Rogan Experience #2417 - Ben van Kerkwyk
YouTubePowerfulJRE
已浏览 114.1万 次1 周前
How Touchscreens Work
2:51
How Touchscreens Work
YouTubePhysics Girl
已浏览 13.5万 次1 周前
Transistor Types
How a Transistor Actually Works | Base Current Explained #transistor #electronics #npn #shorts #diy
1:00
How a Transistor Actually Works | Base Current Explained #transistor #electronics #npn #shorts #diy
YouTubeElectro Inventor
已浏览 1721 次1 个月前
DC Alpha Formula Made Simple | Transistor Basics
0:27
DC Alpha Formula Made Simple | Transistor Basics
YouTubeElectrical Engineering XYZ
已浏览 1031 次2 个月之前
PNP BJT Physical Representation
0:21
PNP BJT Physical Representation
YouTubeElectrical Engineering XYZ
已浏览 1181 次2 个月之前