I found 283 mains double adpters in the dumpster. What happens if you put them all in series with a 2kW load? I'm glad you asked! If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog 00:00 - I found 283 double adapters in the dumpster! 00:58 - We goofed it already 02:06 - Cable capaciitance 03:14 - Testing a 2kW load! 05:50 - DaveCalc, power loss per adapter 07:37 - Internal wiring and Teardown 09:56 - What is the resistance? 11:23 - Thermal camera test 14:06 - Ohmic Meditation Dumpster Find: https://www.youtube.com/watch?v=37JniTa7uvg Forum: https://www.eevblog.com/forum/blog/eevblog-1526-i-put-283-double-adapters-in-series-with-a-2kw-load/ Web Site: http://www.eevblog.com Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover T-Shirts: http://teespring.com/stores/eevblog #ElectronicsCreators #Dumpster #Experiment ... https://www.youtube.com/watch?v=4cp28hIMP94

WiGL have raised almost 5 MILLION dollars on StartEngine. What's worse than another wireless charging technology startup? - One that doesn't really have any original technology and simply uses off the shelf RF energy harvesting chips! This one is just embarrassing. And they want to comepete with Energous, WiTricity, Ossia and others, LOL. Sorry for the length, here are some handy time markers: 00:00 - WiGL Raised $5M on StartEngine 02:50 - A look at the StartEngine campaign 07:15 - It's like WiFi for Power! Where have we heard this before? 12:02 - Let's comete with Enerous, HUAWEI, WiTricity, and Ossia. LOL 13:52 - Brand Dominance! 16:00 - Let's watch the promo video! 17:38 - The AMAZING WiGL Energy Unit technology! 23:07 - A whopping 2.5mW! 25:56 - All hail the White Paper! 29:40 - The Patent 34:12 - Let's charge an iPhone! 36:58 - Their latest technology demonstrator! 38:15 - WiGL Tech Talk with the founder showing off their latest tech! 45:26 - INFINITE POWER! 46:23 - We've already done it! No, no you haven't. 47:49 - Uh-Oh! We have a SKEPTIC! WiGL Video: https://www.youtube.com/channel/UCp8St2LrfCuHuPd1UoXfjng StartEngine: https://www.startengine.com/wigl White Paper: https://wiglpower.com/wp-content/uploads/2018/02/WigL-White-Paper-Download.pdf Home page: https://www.wiglpower.com/ Patent: https://patents.google.com/patent/WO2018212805A1/en?oq=9985465 Forum: https://www.eevblog.com/forum/blog/eevblog-1408-$5m-wigl-wireless-charging-busted!/ Subscribe on Odysee: https://odysee.com/@eevblog:7 EEVblog Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover Support the EEVblog through Patreon! http://www.patreon.com/eevblog AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! https://www.eevblog.com/crypto-currency/ T-Shirts: http://teespring.com/stores/eevblog #ElectronicsCreators #Debunk #WirelessCharging ... https://www.youtube.com/watch?v=lDdRVtka0Jg

Dave talks with Shahriar Shahramian from The Signal Path This part is about the millimeter wave electronics and 5th generation RF This is PART 3 of 3 PART 1: https://www.youtube.com/watch?v=g3y_Vr8ZJ7w PART 2: https://www.youtube.com/watch?v=2xy_kqOufv8 ... https://www.youtube.com/watch?v=tjdae8oqYMQ

How NOT to blow up your Oscilloscope. Your oscilloscope ground clip lead can be a potential accident waiting to happen. Why? And how do you avoid it? The basics about safety and measuring mains earth referenced equipment with your oscilloscope. How (SAFE!) high voltage differential probes work: https://www.youtube.com/watch?v=GOlgaEK2Hsk #Oscilloscope #Danger #Tutorial ... https://www.youtube.com/watch?v=xaELqAo4kkQ