Beam Sign Convention - Brain Waves

[@YixuanREN-q7q]

this is the best explanation ever!!!thanks!!!

[@parjitkhakh6970]

This is exactly what I was stuck on, so there IS two sign conventions. Thank you!!!

[@123qwe321ify]

If only the pre-recorded lectures im paying £9000 for were as good as this channel at explaning stuff

[@yachalupson]

Watching this a postgrad, years on - just to see what you'd talk about. Sure enough, didn't forget it! Positively memorable... :)

[@yachalupson]

PS: So good to see you still putting out videos Mark, I rate you among the very best online educators I've seen. You're an asset to the community. Many thanks

[@kakoliartgallery]

Amazing lecture. Thank you

[@bharat_kachroo]

Amazing video. Thank you, Sir.

[@purdueMET]

You are very welcome 😊

[@ahmedkamla2109]

Thank you for the great video!

[@Amit-tf2no]

Nice tshirt :-) 😃

[@purdueMET]

Thanks. I'm a big fan of NASA. I'm really looking forward to the launch of the Webb telescope :-)