Diadem spider

Ever since Charles Darwin found spiders inexplicably appearing onboard HMS Beagle in 1832, scientists wondered about mechanisms allowing spiders to travel in the air. Charles Darwin was surprised to find thousands of small red spiders aboard his ship which was 60 miles offshore. “In the evening all the ropes were coated & fringed with Gossamer web,” wrote Darwin in his diary. The tiny arachnids were wingless, as all spiders are.

Isaac Newton's apple tree

Back in year 1666 Isaac Newton had to return to his family home from Cambridge University. The University had been closed due to the Great Plague of London which had killed estimated 100,000 people. In Woolsthorpe Manor, which was also his birthplace, Sir Isaac Newton performed multiple experiments with light and optics. He also relaxed in the garden, where he observed a falling apple, and started wondering why everything fell

Server room

You know how smartphones sometimes get really warm after an hour of web browsing, right? And how laptop’s fan is howling on a warm day, spouting hot air from the vents. In a powerful gaming PC heat is an issue. Computers produce heat, but can a computer heat up a room? A Reddit user did some serious maths