Human anatomy goes far beyond the basic organs. Muscles, tissues, cells, complex systems… Are you ready to deepen your anatomical knowledge?
Author Archives: Heinsenberg
Vitamins, minerals, macronutrients and digestion: food is a real science! Do you truly know what happens on your plate and inside your body?
The universe is vast and full of mysteries. From distant stars to spiral galaxies, by way of black holes and nebulae, are you ready to explore the depths of the cosmos?
The animal kingdom is incredibly diverse, from the tiniest insects to the largest mammals. How well do you know the animals that live on our planet? Put yourself to the test!
Teeth are essential for eating, speaking and smiling. How well do you know their anatomy, their types and the secrets of good dental hygiene?
The essentials: Galaxy projectors cast moving light patterns (stars, nebulae, auroras) across walls and ceilings using LED or laser diodes, filling a whole room with motion. Star lamps (including Himalayan salt lamps and LED star lights) glow from a single fixed point, warming a corner rather than covering a space. Projectors typically cost £15 to […]
L’essentiel : A 3D projector sends two slightly offset images to each eye so your brain reconstructs depth, using polarisation, colour-splitting (anaglyph) or active shutter glasses synced at 120Hz. The four main projector technologies are DLP, LCD, LCoS and laser, each handling 3D sync differently. A true «hologram projector» for the desktop isn’t a hologram […]
The essentials: Small, high-powered neodymium magnetic balls are genuinely dangerous if swallowed, especially by children under 14, because two or more magnets can attract through tissue and cause internal injuries. The US Consumer Product Safety Commission (CPSC) and UK bodies including RoSPA have issued repeated warnings since 2012, with recalls and a formal US regulation […]
L’essentiel : A quality Rubik’s cube in 2026 means checking three engineering features first: magnet strength, tension adjustability and corner cutting angle, not just the brand printed on the box. For casual fun, a stickerless budget cube under £10 is fine; for smooth, fast solving, magnetic cubes from Gan or MoYu (£15 to £40) are […]
L’essentiel : A levitating globe uses an electromagnetic base with a Hall effect sensor to hold a lightweight sphere in mid-air, continuously correcting for gravity thousands of times per second. Static magnets alone cannot achieve stable levitation, this is a physical law known as Earnshaw’s theorem (1842), which is why every genuine floating globe hides […]