Randall Munroe on Twitter: "I'm excited to announce I'm publishing a new What If book! What If? 2 comes out September 13th, and you can preorder it here: https://t.co/annCoQo6IR https://t.co/dLOPUyHw5o" / Twitter
xkcd - 1991 and 2021 "Oh, and our computers all have... | Facebook
XKCD Isn't Funny: XKCD Isn't Funny - #1680 - Black Hole & #1681 - Laser Products
xkcd | Contrafactual
xkcd: Laser Pointer
2350: Deer Turrets - explain xkcd
xkcd | Contrafactual
The Laser Elevator – xkcd
XKCD optics error | SuperFly Physics
2759: Easily Confused Acronyms - explain xkcd
1463: Altitude - explain xkcd
2481: 1991 and 2021 - explain xkcd
Into the Blue
XKCD Comic on Twitter: "Pulsar Analogy https://t.co/7olk7H7XsO https://t.co/N0B2v4LMH7 https://t.co/OuDmkXLuS3" / Twitter
Laser Pointer
xkcd: Easily Confused Acronyms
Randall Munroe of 'xkcd' fame is always seeking out wild ideas - The Washington Post
The Laser Elevator – xkcd
xkcd 1904: Research Risks : r/xkcd
Laser Umbrella
