It all happens in a flash! This is Sandra Tsing Loh with the Loh Down on Science. Solar power is so cool — the sun comes out and on go your lights! HOW does that happen? It starts with chemicals like methyl viologen. They react with light to generate power.
Continue readingTag: energy
Shadow Show
There’s a new energy source … hiding in the shadows! This is Sandra Tsing Loh with the Loh Down on Science. A shady glade … ideal for cooling off! But when it comes to solar power, LESS sun means less energy! As skyscrapers climb and open sunshine becomes less available,
Continue readingFlash Dance
It all happens in a flash! This is Sandra Tsing Loh with the Loh Down on Science. Solar power is so cool — the sun comes out and on go your lights! HOW does that happen? It starts with chemicals like methyl viologen. They react with light to generate power.
Continue readingWindow-O-Power
See windows in a whole new light! This is Sandra Tsing Loh with the Loh Down on Science. Renewable energy – it’s the wave of the future! Solar is popular, but huge rooftop panels don’t grab everything. What about the light streaming through our windows? Could we capture and harness
Continue readingSweat it Out!
America runs on…sweat? This is Sandra Tsing Loh with the Loh Down on Science. A morning run – so invigorating! The feeling of sweat rolling down your back? Yuck! But can sweat be useful? Xueping Zhang and colleagues from the National University of Singapore had a “dry idea!” The team
Continue readingBig Brains
Big brain…tiny list of Facebook friends? This is Sandra Tsing Loh with the Loh Down on Science. We, humans, are VERY smart mammals – if we do say so ourselves! Some say it’s because we have such big brains. But at what cost to society? Manuela González-Suárez at the University
Continue readingFlier Friendly
Frequent fliers? More like frequent colliders! This is Sandra Tsing Loh with the Loh Down on Science. Here you are, a bird in flight, minding your own business. Suddenly – SQUAWK! OH NO! A WIND FARM! Fly back!!! Wind energy might help save the planet, but it’s deadly to birds.
Continue readingSkyscraper Sunscreen
Do skyscrapers need. . . sunscreen? This is Sandra Tsing Loh with the Loh Down on Science. It’s a concrete jungle out there, and a HOT one! Cooling big city skyscrapers with AC burns LOADS of energy. Could we save money and the environment by slathering buildings with sunscreen? Xiangyu
Continue readingA Powerful Leg-Up
I WOULD be out there getting my steps – but I forgot to charge up my Fit-Bit! This is Sandra Tsing Loh with the Loh Down on Science. Walking gets our blood flowing and burns calories. But can walking power MORE than just our well-being? Enter Wei-Hsin Liao from the
Continue readingRoboBee
Look! It’s a bird… it’s a plane… it’s RoboBee! This is Sandra Tsing Loh with the Loh Down on Science. Drones help us explore areas we can’t get to on foot. But the bulkier the drone, the more difficult and dangerous to fly. So smaller IS better! But microdrones can’t
Continue reading