Will Trump’s Mexican border solar powered wall pay for itself? Dave runs the numbers to find out what the solar payback is. NOTE: These are BEST CASE (non-practical) figures that don’t include any system losses from a single long line array like this, or anything to do with the changing …

Dave debunks the uBeam ultrasonic wireless phone charging technology and explains why this will NEVER be a practical solution. Also, Meredith Perry’s rant on engineers and other experts. NOTE: This was split out from video #1000 for SEO reasons. There should be a debunking video of this searchable on Youtube. …

As the title says, kinda… Dave answers the age old question, do single take videos really work? No. No, they don’t. SPOILERS: Tutorial on turning two NPN transistors into a fast bidirectional zener impulse clamp. A comparison of the low level signal noise on 11 different oscilloscopes. Teardown of the …

Dave transformed his boring Youtube Silver Play Button Award into a cool retro nixie tube live subscription counter! The final video in a 7 part series on this construction project Playlist And some amazing Youtube statistics. Forum HERE

In the last 4 years my channel ranking has dropped in half, and I LOVE IT!