Infrared camera with an infrared flash light or flash gun. Because the flash will not be visable for the human eye.
Important: First tests if it is safe for the eyes, for if a person is or could be on the photograph and also for the person taking the photograph if there is or if there could be a reflection.
It should probably be a low power infrared flash light or flash gun.
dinsdag 28 januari 2020
maandag 27 januari 2020
A body armour plate for in a bullet resistant vest which doubles as a military shield shovel
A body armour plate for in a bullet resistant vest which doubles as a military shield shovel.
With a certain mechanism so a handle can be put in or on. Maybe with a thread mechanism, or a clicking mechanism. Or simply with the handle attached and a certain vest.
Extra: Double ballistic plate possibility
By Jef Koelewijn
From the Netherlands
Written on: 27-01-2020
With a certain mechanism so a handle can be put in or on. Maybe with a thread mechanism, or a clicking mechanism. Or simply with the handle attached and a certain vest.
Extra: Double ballistic plate possibility
By Jef Koelewijn
From the Netherlands
Written on: 27-01-2020
woensdag 22 januari 2020
Researching primitive and early modern sleeping methods
Researching all primitive and early modern sleeping methods.
Sleeping methods, grounds, beds, matrasses and more.
Sleeping methods, grounds, beds, matrasses and more.
donderdag 16 januari 2020
Research: Does a foreskin better protect against cold and cold environments
Resarching if a foreskin better protects against cold and cold environments.
I do think so.
I do think so.
Human infrared, thermal vision
Human infrared, thermal vision.
Finding a way so that a human can also see heat, infrared radiation. Maybe through a training.
From known research: Infrared sensitive receptors. Transient receptor potential channel, for infrared sensing. Porphyropsin.
By Jef Koelewijn.
2020
Finding a way so that a human can also see heat, infrared radiation. Maybe through a training.
From known research: Infrared sensitive receptors. Transient receptor potential channel, for infrared sensing. Porphyropsin.
By Jef Koelewijn.
2020
zondag 5 januari 2020
Darts which are one solid dart or only changeable flights
Darts which are one solid dart or only changeable flights.
Important: Very though and durable darts. They should be able to take a lot of impact from all angles.
By JK
Written on 06-01-2020
Important: Very though and durable darts. They should be able to take a lot of impact from all angles.
By JK
Written on 06-01-2020
Extremely tough and durable dart flights.
Extremely tough and durable dart flights.
Important: The right material.
They are actually most important for hard and very hard throwing with maximum range of motion before release.
By Jef Koelewijn
Written on: 06-01-2020
Important: The right material.
They are actually most important for hard and very hard throwing with maximum range of motion before release.
By Jef Koelewijn
Written on: 06-01-2020
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