砂を電子レンジでチンして包丁を作る男とコーナーダッシュする女

sharpest milk kitchen knife in the world

Chocolate kitchen knife that kills bacteria

Making purple gold

Breaking Down a Monstrous 60kg Napoleon Fish!

Why It Was Almost Impossible to Make the Blue LED

【総集編】1万円のゴミ屋敷をDIYで11か月間。シロアリ、腐った食品、庭はジャングル…。素人でもここまでできる！！

The Dumbest Drivers Ever

sharpest Water and oil kitchen knife in the world

Hitler: From Homeless to Monster

How Hidden Technology Transformed Bowling

sharpest candy kitchen knife in the world

Making aerogel

1917 Swiss Bead Roller Restoration - Making New Ones for a Masterpiece

Engagement ring made from human nails

Repair an old rusty noodle making machine

Remodeling of 700,000 yen Japanese old house for 650,000 yen with explanatory narration.

sharpest Bismuth kitchen knife in the world

Denim, Epoxy, and 26,460 Pounds of Force

The man who tried to fake an element