nolimits76 :
LOL, hey man, come down to Oklahoma. Mix 100+ temps with humidity and experience the human definition of miserable.
I visited DC and NYC a couple years ago. I was looking forward to it because your (typical) cool temps compared to here. Those years both places set record HEAT temps. Ugh. Had to relocate hotels in DC because they didn't have true a/c units and their glorified water coolers couldn't keep up with the heat. The whole city was beside itself.
Anyhow, no wise words on what to use. I use a pillow. It gets hot too.
Totally hear you but for us 100 is scorching, my window A/C won't stop running and I got 3 of them one for each room, it's crazy, Luckily these last few days were not as bad, but now I just got my laptop on my lap and it's already too hot for me to keep it there. I don't know it feels so hot because my T450s does not feel that hot to touch, but it seems like my legs are getting hotter than they are supposed to.
Pillow is OK too but it leaves me dripping sweaty too. I just don't like the feeling. I just bought a dart board for my son the big flat box with air in it (i keep the dartboard in it) is perfect, although very inconvenient and bulky, it seems do an amazing job.
I am considering going to Home Depot and getting a sturdy plywood or one of those rigid foam type of insulation boards and cutting it to size. I don't mind spending $20-$30 or even $50 on an actual functional laptop stand but I just can't seem to find one.