The vacuum tube, invented by John Ambrose Fleming in 1904, is considered one of the most important developments in electronics history. Fleming's invention laid the foundation for modern ...
Prior to joining PCMag, I made educational videos for an electronics store called Abt Electronics in Illinois, and before that I spent eight years covering the smart home market for CNET.
Getting an airtight seal is easy with this electric Mason jar vacuum sealer kit. It seals jars in 20 to 40 seconds with just the touch of a button. All you really need to do is put the lid on the ...