Kookie215@lemmy.world to Asklemmy@lemmy.mlEnglish · 3 days agoWhat turns your frown upside down?message-squaremessage-square29fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1message-squareWhat turns your frown upside down?Kookie215@lemmy.world to Asklemmy@lemmy.mlEnglish · 3 days agomessage-square29fedilink
minus-squareTolookah@discuss.tchncs.delinkfedilinkarrow-up0·3 days agoParabolic mirrors work just as well
Parabolic mirrors work just as well