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Vojtěch Širůček

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148. Mohammad H. Pourfard 18
149. stormxeron 18
150. Vojtěch Širůček 18
151. Peca Nikolic 18
152. Ilan Amity 17
last 3 solved tasks
Look carefully the picture and guess the game name.
Can you find out how many matches are placed in the picture?
There are 6 words hidden in the picture, can you find 1 of 6?

Philipp Frank

Died 22 Jul 1966 at age 82 (born 20 Mar 1884). Austrian-American physicist and mathematician whose theoretical work covered a broad range of mathematics, including variational calculus, Hamiltonian geometrical optics, Schrödinger wave mechanics, and relativity. Frank had a deep and lasting interest in the philosophy of science. In a number of writings, he strove to reconcile science and philosophy and “bring about the closest rapprochement between”them. The 1907 paper he wrote analyzing the law of causality caught Einstein's attention, who in 1912 recommended Frank as his successor as professor of theoretical physics at the German University of Prague. He held that position until 1938, when he moved to Harvard University in the U.S., first as visiting lecturer, but remaining there until retirement in 1954. He wrote on misinterpretations of the Theory of Relativity.«

Most Useless Inventions


  1. Non stick Cellotape
  2. Solar Powered Flash Light
  3. A black highlighter pen
  4. Glow in the dark sunglasses
  5. Inflatable Anchor
  6. Smooth Sandpaper
  7. Waterproof sponge
  8. Waterproof Teabags
  9. AC adapter for Solar powered calculators
  10. Fireproof Matches
  11. Fireproof Cigarettes
  12. Battery powered Battery Charger
  13. Seatbelts for Motorbikes
  14. Hand powered Chainsaw
  15. Inflatable Dartboard
  16. Silent Alarm Clock
  17. A Pedal powered wheelchair
  18. Braille Drivers Manual
  19. Double sided playing cards
  20. Ejector seats for Helicopters

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