Trovate twittando

U! 'na rassegna, và 😊

Non scrollate che si muove

Bamboos pic.twitter.com/tlPQHIH987

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) 12 maggio 2018

Arriva quello grosso

The Eurasion Eagle-owl can have a wingspan of up to 6 feet (183 cm) and weigh as much as 10 pounds (4.6 kg). They can live for more than 20 years in the wild and typically mate for life https://t.co/CS2rlRUFhe pic.twitter.com/f5ny8ebX7m

— Massimo (@Rainmaker1973) 12 maggio 2018

Ma anche il piccolo

Most flying insects have two pairs of wings. In beetles, the first pair are rigid and serve as protective wing-cases for the hindwings when they aren't flying. They're called #elytra https://t.co/gfMP2B1L81 pic.twitter.com/zlzbiYOj8j

— Massimo (@Rainmaker1973) 12 maggio 2018

ポン酢錯視

ポン酢錯視

The left bottle appears to be taller than the right one, though they are the same height. pic.twitter.com/zmYQrXeK2m

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) 13 maggio 2018

Rotondo o no?

Ambiguous grid by Kokichi Sugihara of Meiji University in Japan. A mathematically calculated combination of perspective and the physics of reflection produce this striking illusion that works in many configurations https://t.co/PCrqmzmpLs [more: https://t.co/EDIrJfukaN] pic.twitter.com/1wiaENaOQV

— Massimo (@Rainmaker1973) 13 maggio 2018

o spiraleggiante?

Concentric circles appear to be spirals.

(an instance of the spiral illusion of the Münsterberg illusion (Café Wall illusion)) pic.twitter.com/nPdeEDXrom

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) 13 maggio 2018

prolunga incorporata quando serve

Watching green herons deploy their 'impossible' neck is always a shock, but never more so than that first time one sees it, since this bird usually adopts a hunched, short-necked profile https://t.co/8aYKPX5TbU pic.twitter.com/YjGBHSVZni

— Massimo (@Rainmaker1973) 13 maggio 2018

Pitagorico

three, four, five. Therefore, the angle of the center is right angle. pic.twitter.com/rgDdhMNZvx

— Naofumi I. (@naofumi_i) 13 maggio 2018

⭕