What hides this stereogram?
[2875] What hides this stereogram? - Stereogram - 3D Image - #brainteasers #stereogram #3Dimage
BRAIN TEASERS

What hides this stereogram?

Stereogram - 3D Image
#brainteasers #stereogram #3Dimage
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Ten Dog Rules

1. The dog is not allowed in the house.
2. Okay, the dog is allowed in the house, but only in certain rooms.
3. Okay, fine, the dog is allowed in all rooms, but has to stay off the furniture.
4. The dog can get on the old furniture only.
5. Fine, the dog is allowed on all the furniture, but is not allowed to sleep with the humans on the bed.
6. Okay, the dog is allowed on the bed, but only by invitation.
7. The dog can sleep on the bed whenever he wants, but not under the covers.
8. The dog can sleep under the covers by invitation only!
9. The dog can sleep under the covers every night.
10. Humans must ask permission to sleep under the covers with the dog.
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Liquid-fuel rocket patent

In 1914, the first U.S. patent for a liquid-fueled rocket design, titled “Rocket Apparatus”was granted to Dr Robert Goddard, (U.S. No. 1,103,503). It described a combustion chamber, with expander nozzle, into which liquid fuels are pumped. At age 31, this was his second rocket patent. A week earlier, on 7 Jul 1914, his first patent, also for a “Rocket Apparatus” was issued. (U.S. No. 1,102,653) which described the multi-stage rocket concept. On 16 Mar 1926, his test launch, the first ever of a liquid-fuelled rocket, managed to propel a 10-ft long projectile to a height of 41-ft (12.5m). Its 2.5 second flight covered a distance of 184-ft at an average speed of 60-mph. The fuel was a combination of liquid oxygen and gasoline.«
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