The Link

In the World of Volleyball

Imagine that you are in a locker room with your teammates. The atmosphere is calm and focused, perhaps also with slight nervousness. The coach sketches last-minute tactical instructions on the board, and your team captain gives a pep talk. Then it’s time to huddle together for the familiar pre-match rituals....

Tarmon Pulma
the Potato-Field Fence

Mr. Harrinen is performing another test for his potato field. He is planning to cultivate potatoes in 10 square mounds, all of which are different sizes (1 × 1 m, 2 × 2 m, 3 × 3 m, …,  10 × 10 m). Southern Ostrobothnia, Mr. Harrinen wants to keep...

Starch in papermaking

Introduction The Production Manager of PM 1 parks his hybrid car, nods to the lady guard at the gate and dons his helmet with goggles before inspecting his machine. Yes, this is his paper machine, his domain. After all, he is the one responsible for fulfilling the 500.000 metric ton...

Solution for Heikki Harrinen’s potatoes

DILEMMA: Master potato farmer Heikki Harrinen has ordered a new variety of potato for his farm in Lapua, and now he wants to determine the effect of the cultivation area on the variety’s growth rate.

Our daily starch

Our daily starch ((C6H10O5)n, CAS nr. 9005-25-8) aka amylum that has been used for millennia for everyday energy to enjoy at our tables and for centuries to strengthen our garments, paper, board and magazines, was assigned a somewhat different purpose by Mother nature. Let’s consider some fundamental aspects of the...

Development

Three years ago, we published an article about Kyrö Distillery Company. A lot can happen in three years. In this case, what has taken place is considerable and wide-ranging development – although, since we’re talking about whiskies, “maturation” might be a more fitting term. In keeping with the first article,...

Key factors in avoiding dust explosions

When we are dealing with a fine powdered material or product in a gas phase, some precautions are required in order to ensure safe processing and handling. The smaller the particles, the lighter will a powder-air mixture become. The bulk material’s density will be of less importance below a certain...

Tarmo’s Puzzle
Heikki Harrinen’s potatoes

Master potato farmer Heikki Harrinen has ordered a new variety of potato for his farm in Lapua, and now he wants to determine the effect of the cultivation area on the variety’s growth rate. For his test crops, Heikki has reserved an area of 13 × 13 meters, which he...

Visiting rural Mayan Mexico – not your typical university course

People often regard university studies as a series of sleep-inducing lectures and an endurance test on the student’s part. These assumptions were proven wrong by Aalto University’s Sustainable Global Technologies (SGT) Studio course, which took a few lucky students for several weeks in the rural village of El Veinte de...