The first pacemakers were developed in the 1930's. They were large machines that were handcranked! Researchers worked on making smaller devices, and in 1958, the first human implanted device was created -- but it only lasted three hours. The pacemaker as we know it today wasn't achieved until the development of silicone transistors to improve the size of the machine, as well as the development of the long-life lithium battery. Today, packemakers are about the size of a coin.
Video Ad Feedback
FDA warns of potential medical device hacking
The FDA warns that software vulnerabilities in some medical devices could leave them susceptible to hackers.
0:58 • Source: HLN
Latest Videos 11 videos
The first pacemakers were developed in the 1930's. They were large machines that were handcranked! Researchers worked on making smaller devices, and in 1958, the first human implanted device was created -- but it only lasted three hours. The pacemaker as we know it today wasn't achieved until the development of silicone transistors to improve the size of the machine, as well as the development of the long-life lithium battery. Today, packemakers are about the size of a coin.
Video Ad Feedback
FDA warns of potential medical device hacking
0:58
Now playing
• Source: HLN
Records obtained by CNN show threats to data centers and local officials who support them.
Video Ad Feedback
Police bodycameras show rage over data centers, including death threats, bomb scares
5:52
Now playing
• Source: CNN
Vice President JD Vance speaks during a news conference on the Fraud Task Force inside the Eisenhower Executive Office Building on the White House campus, Thursday, Oct. 8, 2026, in Washington. (AP Photo/Tom Brenner)
Video Ad Feedback
'He doesn't know anything about my faith': Kansas candidate responds to Vance attacks
3:15
Now playing
• Source: CNN
Video Ad Feedback
Pope Leo announces he will undergo surgery to remove early-stage lung nodule
2:39
Now playing
• Source: CNN
GettyImages-2299097062.jpg
Video Ad Feedback
Trump says Ukraine should get a new leader
0:43
Now playing
• Source: CNN
King Khalid International Airport in Riyadh, Saudi Arabia on September 19, 2026.
Video Ad Feedback
Saudi officials: Multiple deaths, injuries in Riyadh airport attack
2:17
Now playing
• Source: CNN
23058507 - HotelRoofHzCLN.00_00_02_01.Still002.jpg
Video Ad Feedback
Hurricane Isaias rips roof from Florida hotel
0:37
Now playing
• Source: CNN
still_22996988_60_still.jpg
Video Ad Feedback
Attorney: US moving forward with general court martial of airman
5:24
Now playing
• Source: CNN
23055550 - PaxtonCornyn 16x9.00_00_00_00.Still002.jpg
Video Ad Feedback
Audio obtained by CNN captures Paxton saying Cornyn wants him to lose
1:49
Now playing
• Source: CNN
WASHINGTON, DC - OCTOBER 09: U.S. Secretary of Homeland Security Markwayne Mullin (C) speaks during a press conference at U.S. Immigration and Customs Enforcement (ICE) headquarters on October 09, 2026 in Washington, DC. Secretary Mullin, joined by ICE officials, addressed yesterday's shooting of a man in New York City by a federal immigration agent as he spoke out against sanctuary city policies. (Photo by Kevin Dietsch/Getty Images)
Video Ad Feedback
DHS secretary slams Mamdani's response to NYC ICE shooting
1:30
Now playing
• Source: CNN
ICE 16x9 1.jpg
Video Ad Feedback
ICE shoots and wounds man with child in the car
1:04
Now playing
• Source: CNN