| 101. | The public toll road with no speed limit | 4,097,102 | |
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| 102. | The giant chainmail box that stops a house dissolving | 4,066,219 | |
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| 103. | Lies on the London Underground | 4,055,240 | |
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| 104. | Testing the sound mirrors that protected Britain | 4,027,317 | |
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| 105. | These tunnels are designed for 100,000 years | 4,026,540 | |
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| 106. | Why this "falling rocks" sign is more important than most | 3,998,961 | |
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| 107. | Why Shakespeare Could Never Have Been French | 3,935,959 | |
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| 108. | The Dutch headwind cycling championships are amazing | 3,932,197 | |
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| 109. | Chess Clock Jenga | 3,928,336 | |
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| 110. | Stopping A Laser Beam In Mid-Air | 3,917,317 | |
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| 111. | That Time I Got In Trouble With The Government | 3,870,204 | |
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| 112. | The Lava Lamps That Help Keep The Internet Secure | 3,852,461 | |
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| 113. | If these pumps ever stop, part of Germany floods. | 3,811,623 | |
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| 114. | What Color Is My Hoodie? | 3,684,648 | |
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| 115. | I'm Not A Robot ✅ | 3,648,790 | |
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| 116. | How Weird Is My Audience? I Polled 15,408 People To Find Out | 3,631,119 | |
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| 117. | Why The Government Shouldn't Break WhatsApp | 3,624,981 | |
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| 118. | Why Britain Sucks At Product Placement | 3,617,369 | |
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| 119. | Welcome to Life: the singularity, ruined by lawyers | 3,586,609 | |
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| 120. | Why this British crossroads was so dangerous | 3,572,445 | |
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| 121. | How to slow down a stock exchange | 3,565,623 | Guide |
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| 122. | You Cannot Remove Your Fingerprints With Pineapple | 3,565,101 | |
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| 123. | Why sci-fi alien planets all look the same | 3,529,069 | |
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| 124. | The broken building that must not be destroyed | 3,525,658 | |
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| 125. | The diving gondola: a strange elevator to the ocean floor | 3,508,274 | |
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| 126. | The world's most useful model railway | 3,508,080 | |
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| 127. | The secret underground pipeline across Britain | 3,464,939 | |
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| 128. | 7 Illegal Things To Do In A British Election | 3,462,186 | |
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| 129. | FizzBuzz: One Simple Interview Question | 3,440,097 | |
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| 130. | This billion-euro nuclear reactor was never switched on | 3,394,157 | |
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| 131. | The first jungle gym was meant to hack kids' brains | 3,391,997 | |
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| 132. | Why use many streetlights when one will do? | 3,386,443 | |
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| 133. | How the 90s VHS look works | 3,380,279 | |
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| 134. | The Greatest Title Sequence I've Ever Seen | 3,372,103 | |
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| 135. | How one little boat (and me) held up miles of London traffic at Tower Bridge | 3,359,511 | |
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| 136. | Boarding planes could have been very different | 3,339,826 | |
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| 137. | The poison garden of Alnwick | 3,331,096 | |
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| 138. | The Secret Button on Pedestrian Crossings | 3,330,710 | |
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| 139. | This Is Your Brain On Stale Air | 3,329,908 | |
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| 140. | The Art of the Bodge: How I Made The Emoji Keyboard | 3,319,168 | |
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| 141. | I'm not back yet, but I'm looking for where to go next. | 3,314,683 | |
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| 142. | Why Web Filters Don't Work: Penistone and the Scunthorpe Problem | 3,311,241 | |
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| 143. | Google Glasses: A New Way to Hurt Yourself (parody of Google's Project Glass) | 3,302,170 | |
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| 144. | Swimming between two continents, debunked | 3,294,212 | |
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| 145. | How Green Screen Worked Before Computers | 3,224,448 | |
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| 146. | We walked the most dangerous path in Britain | 3,223,865 | |
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| 147. | Why The Web Is Such A Mess | 3,138,109 | |
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| 148. | Which Is "Bouba", and Which Is "Kiki"? | 3,129,574 | |
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| 149. | I helped cover a 5,000-year-old monument with worn-out tires | 3,092,568 | |
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| 150. | The library of rare colors | 3,026,925 | |
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| 151. | Paternoster Lifts: Dangerous, Obsolete and Quite Fun (including over the top!) | 2,864,097 | |
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| 152. | Hold music used to sound better. Here's why. | 2,860,470 | |
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| 153. | The tunnel where people pay to inhale radioactive gas | 2,842,844 | |
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| 154. | Are There Problems That Computers Can't Solve? | 2,837,685 | |
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| 155. | The moiré effect lights that guide ships home | 2,807,455 | |
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| 156. | How the Netherlands simulated the sea | 2,764,611 | |
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| 157. | Mr Olds' remarkable elevator | 2,752,411 | |
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| 158. | This tiny railroad across the sea has an important job | 2,751,202 | |
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| 159. | What counts as the world's shortest river? | 2,750,161 | |
|
| 160. | ᚛ᚈᚑᚋ ᚄᚉᚑᚈᚈ᚜ and ᚛ᚑᚌᚐᚋ᚜ | 2,744,540 | |
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| 161. | The German town that's literally cracking apart | 2,736,926 | |
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| 162. | I tried to film a volcano and it was a complete disaster | 2,736,764 | |
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| 163. | How to stop a colossal bridge corroding | 2,735,832 | |
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| 164. | The largest telescope that will ever be built* | 2,734,733 | |
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| 165. | The long-forgotten history of the British moon spacesuit | 2,733,724 | |
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| 166. | The Battery That's Lasted 176 Years | 2,719,207 | |
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| 167. | I asked an AI for video ideas, and they were actually good | 2,712,648 | |
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| 168. | The giant art that keeps planes quiet | 2,708,847 | |
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| 169. | Wheels, Bombs, and Perpetual Motion Machines | 2,708,728 | |
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| 170. | How the first ever telecoms scam worked | 2,673,281 | |
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| 171. | The elevator shaft was invented before the elevator | 2,672,697 | |
|
| 172. | ᑖᒻ ᔅᑳᑦ and ᖃᓂᐅᔮᖅᐸᐃᑦ | 2,671,778 | |
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| 173. | The world's last turntable ferry has a really clever design | 2,663,107 | |
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| 174. | Why Can't Adults Learn Languages Like Children? | 2,658,752 | |
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| 175. | Britain once forgot how long an inch is | 2,643,126 | |
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| 176. | This man built his office inside an elevator | 2,611,562 | |
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| 177. | The canyon that humans made by accident | 2,602,098 | |
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| 178. | The Islands With Too Much Power | 2,584,770 | |
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| 179. | The Disaster That Changed Engineering: The Hyatt Regency Collapse | 2,555,393 | |
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| 180. | Why Computers Suck At Translation | 2,555,358 | |
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| 181. | Hill Hill Hill Hill, debunked, debunked | 2,526,109 | |
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| 182. | There's a £100,000 coin buried under this London building | 2,521,525 | |
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| 183. | The country where all public transit is free | 2,503,500 | |
|
| 184. | How YouTube Video Stabilization Works | 2,486,963 | |
|
| 185. | "High explosives" doesn't just mean "bigger boom" | 2,479,978 | |
|
| 186. | Why My Teenage Code Was Terrible: Sorting Algorithms and Big O Notation | 2,475,571 | |
|
| 187. | I asked an AI for video ideas for other YouTubers. It went badly. | 2,461,467 | |
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| 188. | Testing a zip line that goes round corners | 2,440,253 | |
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| 189. | Colorado has a giant freezer filled with polar ice | 2,438,440 | |
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| 190. | Storing dead people at -196°C | 2,427,385 | |
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| 191. | Danger: Humans | 2,426,960 | |
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| 192. | The Shocking New Use for Red Telephone Boxes | 2,412,879 | |
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| 193. | Three strange river crossings | 2,410,254 | |
|
| 194. | Why Jonathan Ross Can't Pronounce His Rs | 2,409,997 | |
|
| 195. | Making 200,000 tons of arsenic dust safe | 2,405,054 | |
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| 196. | Ə: The Most Common Vowel in English | 2,386,408 | |
|
| 197. | Making an international standard cup of tea | 2,385,898 | |
|
| 198. | Why old screens make a ʰᶦᵍʰ ᵖᶦᵗᶜʰᵉᵈ noise | 2,367,148 | |
|
| 199. | Trying To Fail A Drug Test On Purpose | 2,350,969 | |
|
| 200. | Five YouTubers. Five games. $10,000. ⋮ Money: the full series | 2,333,450 | |
|
